202013031020 has 96 divisors (see below), whose sum is σ = 434423920896. Its totient is φ = 78889248000.

The previous prime is 202013030983. The next prime is 202013031037. The reversal of 202013031020 is 20130310202.

It is a happy number.

202013031020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 202013030986 and 202013031004.

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 31 ways as a sum of consecutive naturals, for example, 131947655 + ... + 131949185.

It is an arithmetic number, because the mean of its divisors is an integer number (4525249176).

Almost surely, 2^202013031020 is an apocalyptic number.

202013031020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202013031020 is an abundant number, since it is smaller than the sum of its proper divisors (232410889876).

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

202013031020 is a wasteful number, since it uses less digits than its factorization.

202013031020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2511 (or 2509 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 202013031020 its reverse (20130310202), we get a palindrome (222143341222).

The spelling of 202013031020 in words is "two hundred two billion, thirteen million, thirty-one thousand, twenty".