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210112200102020 = 22529362262413969
BaseRepresentation
bin101111110001100010001111…
…000011001101000010000100
31000112221112022111011001100212
4233301202033003031002010
5210014434241211231040
62022512113500054552
762154051122055146
oct5761421703150204
91015845274131325
10210112200102020
1160a480a1386707
121b69519a834458
1390316596801c8
1439c56b01dcc96
151945779316d65
hexbf188f0cd084

210112200102020 has 24 divisors (see below), whose sum is σ = 456450641602200. Its totient is φ = 81146780728832.

The previous prime is 210112200101959. The next prime is 210112200102067. The reversal of 210112200102020 is 20201002211012.

It can be written as a sum of positive squares in 4 ways, for example, as 34485246187396 + 175626953914624 = 5872414^2 + 13252432^2 .

It is a super-2 number, since 2×2101122001020202 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 210112200101986 and 210112200102004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181131206405 + ... + 181131207564.

It is an arithmetic number, because the mean of its divisors is an integer number (19018776733425).

Almost surely, 2210112200102020 is an apocalyptic number.

210112200102020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210112200102020 is an abundant number, since it is smaller than the sum of its proper divisors (246338441500180).

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

210112200102020 is a wasteful number, since it uses less digits than its factorization.

210112200102020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362262414007 (or 362262414005 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 210112200102020 its reverse (20201002211012), we get a palindrome (230313202313032).

The spelling of 210112200102020 in words is "two hundred ten trillion, one hundred twelve billion, two hundred million, one hundred two thousand, twenty".

Divisors: 1 2 4 5 10 20 29 58 116 145 290 580 362262413969 724524827938 1449049655876 1811312069845 3622624139690 7245248279380 10505610005101 21011220010202 42022440020404 52528050025505 105056100051010 210112200102020