20201202012102 has 16 divisors (see below), whose sum is σ = 40404723677760. Its totient is φ = 6733347395112.

The previous prime is 20201202012097. The next prime is 20201202012107. The reversal of 20201202012102 is 20121020210202.

It is an interprime number because it is at equal distance from previous prime (20201202012097) and next prime (20201202012107).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20201202012107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96539008 + ... + 96748035.

It is an arithmetic number, because the mean of its divisors is an integer number (2525295229860).

Almost surely, 2^{20201202012102} is an apocalyptic number.

20201202012102 is an abundant number, since it is smaller than the sum of its proper divisors (20203521665658).

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

20201202012102 is a wasteful number, since it uses less digits than its factorization.

20201202012102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193304467.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20201202012102 its reverse (20121020210202), we get a palindrome (40322222222304).

The spelling of 20201202012102 in words is "twenty trillion, two hundred one billion, two hundred two million, twelve thousand, one hundred two".