203113233320 has 16 divisors (see below), whose sum is σ = 457004775060. Its totient is φ = 81245293312.

The previous prime is 203113233311. The next prime is 203113233353. The reversal of 203113233320 is 23332311302.

It can be written as a sum of positive squares in 2 ways, for example, as 198554012836 + 4559220484 = 445594^2 + 67522^2 .

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, 2538915377 + ... + 2538915456.

Almost surely, 2^203113233320 is an apocalyptic number.

203113233320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203113233320 is an abundant number, since it is smaller than the sum of its proper divisors (253891541740).

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

203113233320 is a wasteful number, since it uses less digits than its factorization.

203113233320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5077830844 (or 5077830840 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 203113233320 its reverse (23332311302), we get a palindrome (226445544622).

The spelling of 203113233320 in words is "two hundred three billion, one hundred thirteen million, two hundred thirty-three thousand, three hundred twenty".