20102011021120 has 84 divisors (see below), whose sum is σ = 55683083378340. Its totient is φ = 6892118059008.

The previous prime is 20102011021091. The next prime is 20102011021139. The reversal of 20102011021120 is 2112011020102.

It can be written as a sum of positive squares in 2 ways, for example, as 2990021972224 + 17111989048896 = 1729168^2 + 4136664^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20102011021120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 640992325 + ... + 641023684.

Almost surely, 2^{20102011021120} is an apocalyptic number.

20102011021120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20102011021120 is an abundant number, since it is smaller than the sum of its proper divisors (35581072357220).

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

20102011021120 is a wasteful number, since it uses less digits than its factorization.

20102011021120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1282016040 (or 1282016023 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20102011021120 its reverse (2112011020102), we get a palindrome (22214022041222).

The spelling of 20102011021120 in words is "twenty trillion, one hundred two billion, eleven million, twenty-one thousand, one hundred twenty".