202130023220 has 24 divisors (see below), whose sum is σ = 425481316008. Its totient is φ = 80659958400.

The previous prime is 202130023169. The next prime is 202130023321. The reversal of 202130023220 is 22320031202.

It can be written as a sum of positive squares in 4 ways, for example, as 34362778384 + 167767244836 = 185372^2 + 409594^2 .

It is a congruent number.

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, 11994551 + ... + 12011390.

It is an arithmetic number, because the mean of its divisors is an integer number (17728388167).

Almost surely, 2^202130023220 is an apocalyptic number.

202130023220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202130023220 is an abundant number, since it is smaller than the sum of its proper divisors (223351292788).

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

202130023220 is a wasteful number, since it uses less digits than its factorization.

202130023220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24006371 (or 24006369 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 202130023220 its reverse (22320031202), we get a palindrome (224450054422).

The spelling of 202130023220 in words is "two hundred two billion, one hundred thirty million, twenty-three thousand, two hundred twenty".