203112214400 has 48 divisors (see below), whose sum is σ = 501750650040. Its totient is φ = 81244884480.

The previous prime is 203112214397. The next prime is 203112214421. The reversal of 203112214400 is 4412211302.

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 5 ways as a sum of consecutive naturals, for example, 31733084 + ... + 31739483.

Almost surely, 2^203112214400 is an apocalyptic number.

203112214400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203112214400 is an abundant number, since it is smaller than the sum of its proper divisors (298638435640).

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

203112214400 is an equidigital number, since it uses as much as digits as its factorization.

203112214400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63472591 (or 63472574 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 203112214400 its reverse (4412211302), we get a palindrome (207524425702).

The spelling of 203112214400 in words is "two hundred three billion, one hundred twelve million, two hundred fourteen thousand, four hundred".