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210011120212020 = 223533163347166931
BaseRepresentation
bin101111110000000100000110…
…001110000001100000110100
31000112120212102001111121112020
4233300010012032001200310
5210011310233233241040
62022353435435153140
762143542223141251
oct5760040616014064
91015525361447466
10210011120212020
1160a09241421236
121b67968b2a57b0
139024c6b2112ca
1439c0841996428
151942d103b9cd0
hexbf0106381834

210011120212020 has 96 divisors (see below), whose sum is σ = 589820509748736. Its totient is φ = 55832556278400.

The previous prime is 210011120211943. The next prime is 210011120212021. The reversal of 210011120212020 is 20212021110012.

It is a super-2 number, since 2×2100111202120202 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210011120212021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1257987955 + ... + 1258154885.

It is an arithmetic number, because the mean of its divisors is an integer number (6143963643216).

Almost surely, 2210011120212020 is an apocalyptic number.

210011120212020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210011120212020 is an abundant number, since it is smaller than the sum of its proper divisors (379809389536716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210011120212020 is a wasteful number, since it uses less digits than its factorization.

210011120212020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230621 (or 230619 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 210011120212020 its reverse (20212021110012), we get a palindrome (230223141322032).

The spelling of 210011120212020 in words is "two hundred ten trillion, eleven billion, one hundred twenty million, two hundred twelve thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 331 662 993 1324 1655 1986 3310 3972 4965 6620 9930 19860 63347 126694 166931 190041 253388 316735 333862 380082 500793 633470 667724 760164 834655 950205 1001586 1266940 1669310 1900410 2003172 2503965 3338620 3800820 5007930 10015860 20967857 41935714 55254161 62903571 83871428 104839285 110508322 125807142 165762483 209678570 221016644 251614284 276270805 314517855 331524966 419357140 552541610 629035710 663049932 828812415 1105083220 1258071420 1657624830 3315249660 10574578057 21149156114 31723734171 42298312228 52872890285 63447468342 105745780570 126894936684 158618670855 211491561140 317237341710 634474683420 3500185336867 7000370673734 10500556010601 14000741347468 17500926684335 21001112021202 35001853368670 42002224042404 52502780053005 70003706737340 105005560106010 210011120212020