203112030420200 has 96 divisors (see below), whose sum is σ = 515169705510720. Its totient is φ = 73858384320000.

The previous prime is 203112030420179. The next prime is 203112030420239. The reversal of 203112030420200 is 2024030211302.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 426718340 + ... + 427194060.

It is an arithmetic number, because the mean of its divisors is an integer number (5366351099070).

Almost surely, 2^{203112030420200} is an apocalyptic number.

203112030420200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203112030420200 is an abundant number, since it is smaller than the sum of its proper divisors (312057675090520).

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

203112030420200 is a wasteful number, since it uses less digits than its factorization.

203112030420200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669819 (or 669810 counting only the distinct ones).

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

Adding to 203112030420200 its reverse (2024030211302), we get a palindrome (205136060631502).

The spelling of 203112030420200 in words is "two hundred three trillion, one hundred twelve billion, thirty million, four hundred twenty thousand, two hundred".