20112100202310 has 16 divisors (see below), whose sum is σ = 48269040485616. Its totient is φ = 5363226720608.

The previous prime is 20112100202309. The next prime is 20112100202321. The reversal of 20112100202310 is 1320200121102.

It is a super-2 number, since 2×20112100202310² (a number of 27 digits) contains 22 as substring.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20112100202310.

It is a congruent number.

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, 335201670009 + ... + 335201670068.

It is an arithmetic number, because the mean of its divisors is an integer number (3016815030351).

Almost surely, 2^{20112100202310} is an apocalyptic number.

20112100202310 is an abundant number, since it is smaller than the sum of its proper divisors (28156940283306).

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

20112100202310 is a wasteful number, since it uses less digits than its factorization.

20112100202310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670403340087.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 20112100202310 its reverse (1320200121102), we get a palindrome (21432300323412).

The spelling of 20112100202310 in words is "twenty trillion, one hundred twelve billion, one hundred million, two hundred two thousand, three hundred ten".