202100012200220 has 24 divisors (see below), whose sum is σ = 446747395390800. Its totient is φ = 76585267780992.

The previous prime is 202100012200193. The next prime is 202100012200297. The reversal of 202100012200220 is 22002210001202.

It is a junction number, because it is equal to n+sod(n) for n = 202100012200195 and 202100012200204.

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, 265921068305 + ... + 265921069064.

It is an arithmetic number, because the mean of its divisors is an integer number (18614474807950).

Almost surely, 2^{202100012200220} is an apocalyptic number.

202100012200220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202100012200220 is an abundant number, since it is smaller than the sum of its proper divisors (244647383190580).

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

202100012200220 is a wasteful number, since it uses less digits than its factorization.

202100012200220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531842137397 (or 531842137395 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 202100012200220 its reverse (22002210001202), we get a palindrome (224102222201422).

The spelling of 202100012200220 in words is "two hundred two trillion, one hundred billion, twelve million, two hundred thousand, two hundred twenty".