203140431200 has 72 divisors (see below), whose sum is σ = 566761818672. Its totient is φ = 69648145920.

The previous prime is 203140431181. The next prime is 203140431211. The reversal of 203140431200 is 2134041302.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18131939 + ... + 18143138.

It is an arithmetic number, because the mean of its divisors is an integer number (7871691926).

Almost surely, 2^203140431200 is an apocalyptic number.

203140431200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203140431200 is an abundant number, since it is smaller than the sum of its proper divisors (363621387472).

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

203140431200 is a wasteful number, since it uses less digits than its factorization.

203140431200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36275104 (or 36275091 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 203140431200 its reverse (2134041302), we get a palindrome (205274472502).

The spelling of 203140431200 in words is "two hundred three billion, one hundred forty million, four hundred thirty-one thousand, two hundred".