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210122010012020 = 225231345733944191
BaseRepresentation
bin101111110001101011010111…
…110001000010100101110100
31000112222110122011020010000212
4233301223113301002211310
5210020114334030341040
62022520415132324552
762154546200655641
oct5761532761024564
91015873564203025
10210122010012020
1160a51275867247
121b697078013758
139032560b72c92
1439c5d60ddcdc8
151945b50676d65
hexbf1ad7c42974

210122010012020 has 48 divisors (see below), whose sum is σ = 460475503423488. Its totient is φ = 80388531632640.

The previous prime is 210122010011989. The next prime is 210122010012067. The reversal of 210122010012020 is 20210010221012.

It is a junction number, because it is equal to n+sod(n) for n = 210122010011986 and 210122010012004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10781876 + ... + 23162315.

It is an arithmetic number, because the mean of its divisors is an integer number (9593239654656).

Almost surely, 2210122010012020 is an apocalyptic number.

210122010012020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210122010012020 is an abundant number, since it is smaller than the sum of its proper divisors (250353493411468).

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

210122010012020 is a wasteful number, since it uses less digits than its factorization.

210122010012020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33957680 (or 33957678 counting only the distinct ones).

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

Adding to 210122010012020 its reverse (20210010221012), we get a palindrome (230332020233032).

The spelling of 210122010012020 in words is "two hundred ten trillion, one hundred twenty-two billion, ten million, twelve thousand, twenty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 13457 26914 53828 67285 134570 269140 309511 619022 1238044 1547555 3095110 6190220 33944191 67888382 135776764 169720955 339441910 678883820 780716393 1561432786 3122865572 3903581965 7807163930 15614327860 456786978287 913573956574 1827147913148 2283934891435 4567869782870 9135739565740 10506100500601 21012201001202 42024402002404 52530502503005 105061005006010 210122010012020