202013231320 has 16 divisors (see below), whose sum is σ = 454529770560. Its totient is φ = 80805292512.

The previous prime is 202013231311. The next prime is 202013231339. The reversal of 202013231320 is 23132310202.

It is a super-3 number, since 3×202013231320³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2525165352 + ... + 2525165431.

It is an arithmetic number, because the mean of its divisors is an integer number (28408110660).

Almost surely, 2^202013231320 is an apocalyptic number.

202013231320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202013231320 is an abundant number, since it is smaller than the sum of its proper divisors (252516539240).

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

202013231320 is a wasteful number, since it uses less digits than its factorization.

202013231320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5050330794 (or 5050330790 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 202013231320 its reverse (23132310202), we get a palindrome (225145541522).

The spelling of 202013231320 in words is "two hundred two billion, thirteen million, two hundred thirty-one thousand, three hundred twenty".