203032198628 has 24 divisors (see below), whose sum is σ = 406080411072. Its totient is φ = 87010367904.

The previous prime is 203032198609. The next prime is 203032198643. The reversal of 203032198628 is 826891230302.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 658526 + ... + 916362.

It is an arithmetic number, because the mean of its divisors is an integer number (16920017128).

Almost surely, 2^203032198628 is an apocalyptic number.

203032198628 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

203032198628 is an abundant number, since it is smaller than the sum of its proper divisors (203048212444).

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

203032198628 is a wasteful number, since it uses less digits than its factorization.

203032198628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285971 (or 285969 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 44.

The spelling of 203032198628 in words is "two hundred three billion, thirty-two million, one hundred ninety-eight thousand, six hundred twenty-eight".