203133031111020 has 48 divisors (see below), whose sum is σ = 602229692238048. Its totient is φ = 50982407808000.

The previous prime is 203133031110973. The next prime is 203133031111069. The reversal of 203133031111020 is 20111130331302.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99575014231 + ... + 99575016270.

It is an arithmetic number, because the mean of its divisors is an integer number (12546451921626).

Almost surely, 2^{203133031111020} is an apocalyptic number.

203133031111020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203133031111020 is an abundant number, since it is smaller than the sum of its proper divisors (399096661127028).

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

203133031111020 is a wasteful number, since it uses less digits than its factorization.

203133031111020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199150030530 (or 199150030528 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 203133031111020 its reverse (20111130331302), we get a palindrome (223244161442322).

The spelling of 203133031111020 in words is "two hundred three trillion, one hundred thirty-three billion, thirty-one million, one hundred eleven thousand, twenty".