202131224320 has 36 divisors (see below), whose sum is σ = 484167451320. Its totient is φ = 80852489216.

The previous prime is 202131224311. The next prime is 202131224353. The reversal of 202131224320 is 23422131202.

It is a junction number, because it is equal to n+sod(n) for n = 202131224291 and 202131224300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78956230 + ... + 78958789.

It is an arithmetic number, because the mean of its divisors is an integer number (13449095870).

Almost surely, 2^202131224320 is an apocalyptic number.

202131224320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202131224320 is an abundant number, since it is smaller than the sum of its proper divisors (282036227000).

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

202131224320 is an equidigital number, since it uses as much as digits as its factorization.

202131224320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157915040 (or 157915026 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 202131224320 its reverse (23422131202), we get a palindrome (225553355522).

The spelling of 202131224320 in words is "two hundred two billion, one hundred thirty-one million, two hundred twenty-four thousand, three hundred twenty".