202231133220 has 48 divisors (see below), whose sum is σ = 574222497408. Its totient is φ = 53168747520.

The previous prime is 202231133213. The next prime is 202231133249. The reversal of 202231133220 is 22331132202.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23731789 + ... + 23740308.

It is an arithmetic number, because the mean of its divisors is an integer number (11962968696).

Almost surely, 2^202231133220 is an apocalyptic number.

202231133220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202231133220 is an abundant number, since it is smaller than the sum of its proper divisors (371991364188).

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

202231133220 is a wasteful number, since it uses less digits than its factorization.

202231133220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47472180 (or 47472178 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 202231133220 its reverse (22331132202), we get a palindrome (224562265422).

The spelling of 202231133220 in words is "two hundred two billion, two hundred thirty-one million, one hundred thirty-three thousand, two hundred twenty".