202131020104 has 128 divisors (see below), whose sum is σ = 427372848000. Its totient is φ = 88982820864.

The previous prime is 202131020029. The next prime is 202131020107. The reversal of 202131020104 is 401020131202.

It is not an unprimeable number, because it can be changed into a prime (202131020107) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87996684 + ... + 87998980.

It is an arithmetic number, because the mean of its divisors is an integer number (3338850375).

Almost surely, 2^202131020104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202131020104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213686424000).

202131020104 is an abundant number, since it is smaller than the sum of its proper divisors (225241827896).

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

202131020104 is a wasteful number, since it uses less digits than its factorization.

202131020104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2687 (or 2683 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 202131020104 its reverse (401020131202), we get a palindrome (603151151306).

The spelling of 202131020104 in words is "two hundred two billion, one hundred thirty-one million, twenty thousand, one hundred four".