200131144420 has 24 divisors (see below), whose sum is σ = 444997486584. Its totient is φ = 75343489536.

The previous prime is 200131144417. The next prime is 200131144483. The reversal of 200131144420 is 24441131002.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 63495936256 + 136635208164 = 251984^2 + 369642^2 .

It is a junction number, because it is equal to n+sod(n) for n = 200131144391 and 200131144400.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294310167 + ... + 294310846.

It is an arithmetic number, because the mean of its divisors is an integer number (18541561941).

Almost surely, 2^200131144420 is an apocalyptic number.

200131144420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200131144420 is an abundant number, since it is smaller than the sum of its proper divisors (244866342164).

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

200131144420 is a wasteful number, since it uses less digits than its factorization.

200131144420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588621039 (or 588621037 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 200131144420 its reverse (24441131002), we get a palindrome (224572275422).

The spelling of 200131144420 in words is "two hundred billion, one hundred thirty-one million, one hundred forty-four thousand, four hundred twenty".