202131020040 has 64 divisors (see below), whose sum is σ = 606604723200. Its totient is φ = 53882790912.

The previous prime is 202131020029. The next prime is 202131020107. The reversal of 202131020040 is 40020131202.

202131020040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52944 + ... + 638016.

It is an arithmetic number, because the mean of its divisors is an integer number (9478198800).

Almost surely, 2^202131020040 is an apocalyptic number.

202131020040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202131020040 is an abundant number, since it is smaller than the sum of its proper divisors (404473703160).

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

202131020040 is a wasteful number, since it uses less digits than its factorization.

202131020040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587966 (or 587962 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 202131020040 its reverse (40020131202), we get a palindrome (242151151242).

The spelling of 202131020040 in words is "two hundred two billion, one hundred thirty-one million, twenty thousand, forty".