203093888900 has 36 divisors (see below), whose sum is σ = 503672846208. Its totient is φ = 69632190240.

The previous prime is 203093888843. The next prime is 203093888903. The reversal of 203093888900 is 9888390302.

It is a happy number.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is not an unprimeable number, because it can be changed into a prime (203093888903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 145066364 + ... + 145067763.

Almost surely, 2^203093888900 is an apocalyptic number.

203093888900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203093888900 is an abundant number, since it is smaller than the sum of its proper divisors (300578957308).

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

203093888900 is a wasteful number, since it uses less digits than its factorization.

203093888900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290134148 (or 290134141 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 50.

The spelling of 203093888900 in words is "two hundred three billion, ninety-three million, eight hundred eighty-eight thousand, nine hundred".