202130121332220 has 48 divisors (see below), whose sum is σ = 565965223034400. Its totient is φ = 53901281564416.

The previous prime is 202130121332207. The next prime is 202130121332273. The reversal of 202130121332220 is 22233121031202.

It is a super-2 number, since 2×202130121332220² (a number of 29 digits) contains 22 as substring.

It is a congruent 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, 42553306 + ... + 47064254.

It is an arithmetic number, because the mean of its divisors is an integer number (11790942146550).

Almost surely, 2^{202130121332220} is an apocalyptic number.

202130121332220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202130121332220 is an abundant number, since it is smaller than the sum of its proper divisors (363835101702180).

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

202130121332220 is a wasteful number, since it uses less digits than its factorization.

202130121332220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5257774 (or 5257772 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 202130121332220 its reverse (22233121031202), we get a palindrome (224363242363422).

The spelling of 202130121332220 in words is "two hundred two trillion, one hundred thirty billion, one hundred twenty-one million, three hundred thirty-two thousand, two hundred twenty".