20013230112102 has 12 divisors (see below), whose sum is σ = 43361998576260. Its totient is φ = 6671076704028.

The previous prime is 20013230112097. The next prime is 20013230112131. The reversal of 20013230112102 is 20121103231002.

20013230112102 is a `hidden beast` number, since 20 + 0 + 132 + 301 + 1 + 210 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1111846117339 = 20013230112102 / (2 + 0 + 0 + 1 + 3 + 2 + 3 + 0 + 1 + 1 + 2 + 1 + 0 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 555923058652 + ... + 555923058687.

It is an arithmetic number, because the mean of its divisors is an integer number (3613499881355).

Almost surely, 2^{20013230112102} is an apocalyptic number.

20013230112102 is an abundant number, since it is smaller than the sum of its proper divisors (23348768464158).

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

20013230112102 is a wasteful number, since it uses less digits than its factorization.

20013230112102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111846117347 (or 1111846117344 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 20013230112102 its reverse (20121103231002), we get a palindrome (40134333343104).

The spelling of 20013230112102 in words is "twenty trillion, thirteen billion, two hundred thirty million, one hundred twelve thousand, one hundred two".