200131322020 has 24 divisors (see below), whose sum is σ = 480315173184. Its totient is φ = 68616453216.

The previous prime is 200131321997. The next prime is 200131322029. The reversal of 200131322020 is 20223131002.

It is a junction number, because it is equal to n+sod(n) for n = 200131321985 and 200131322003.

It is not an unprimeable number, because it can be changed into a prime (200131322029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 714754582 + ... + 714754861.

It is an arithmetic number, because the mean of its divisors is an integer number (20013132216).

Almost surely, 2^200131322020 is an apocalyptic number.

200131322020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200131322020 is an abundant number, since it is smaller than the sum of its proper divisors (280183851164).

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

200131322020 is a wasteful number, since it uses less digits than its factorization.

200131322020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1429509459 (or 1429509457 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 200131322020 its reverse (20223131002), we get a palindrome (220354453022).

The spelling of 200131322020 in words is "two hundred billion, one hundred thirty-one million, three hundred twenty-two thousand, twenty".