202200220200021 has 16 divisors (see below), whose sum is σ = 269967914166720. Its totient is φ = 134616439647360.

The previous prime is 202200220199893. The next prime is 202200220200037. The reversal of 202200220200021 is 120002022002202.

It is not a de Polignac number, because 202200220200021 - 2⁷ = 202200220199893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202200220000021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5045986 + ... + 20733123.

It is an arithmetic number, because the mean of its divisors is an integer number (16872994635420).

Almost surely, 2^{202200220200021} is an apocalyptic number.

It is an amenable number.

202200220200021 is a deficient number, since it is larger than the sum of its proper divisors (67767693966699).

202200220200021 is a wasteful number, since it uses less digits than its factorization.

202200220200021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25782676.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 202200220200021 its reverse (120002022002202), we get a palindrome (322202242202223).

The spelling of 202200220200021 in words is "two hundred two trillion, two hundred billion, two hundred twenty million, two hundred thousand, twenty-one".