200020310123100 has 72 divisors (see below), whose sum is σ = 578805338254080. Its totient is φ = 53331384607680.

The previous prime is 200020310123083. The next prime is 200020310123111. The reversal of 200020310123100 is 1321013020002.

It is a super-2 number, since 2×200020310123100² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 200020310123100.

It is a congruent number.

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, 43853220 + ... + 48199019.

Almost surely, 2^{200020310123100} is an apocalyptic number.

200020310123100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200020310123100 is an abundant number, since it is smaller than the sum of its proper divisors (378785028130980).

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

200020310123100 is a wasteful number, since it uses less digits than its factorization.

200020310123100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92059499 (or 92059492 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 200020310123100 its reverse (1321013020002), we get a palindrome (201341323143102).

The spelling of 200020310123100 in words is "two hundred trillion, twenty billion, three hundred ten million, one hundred twenty-three thousand, one hundred".