220031132020 has 48 divisors (see below), whose sum is σ = 528136237440. Its totient is φ = 75430456704.

The previous prime is 220031132017. The next prime is 220031132021. The reversal of 220031132020 is 20231130022.

It is a junction number, because it is equal to n+sod(n) for n = 220031131985 and 220031132003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220031132021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1177027 + ... + 1351093.

It is an arithmetic number, because the mean of its divisors is an integer number (11002838280).

Almost surely, 2^220031132020 is an apocalyptic number.

220031132020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220031132020 is an abundant number, since it is smaller than the sum of its proper divisors (308105105420).

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

220031132020 is a wasteful number, since it uses less digits than its factorization.

220031132020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183112 (or 183110 counting only the distinct ones).

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

Adding to 220031132020 its reverse (20231130022), we get a palindrome (240262262042).

The spelling of 220031132020 in words is "two hundred twenty billion, thirty-one million, one hundred thirty-two thousand, twenty".