202220200020 has 48 divisors (see below), whose sum is σ = 566543577600. Its totient is φ = 53894242176.

The previous prime is 202220199991. The next prime is 202220200087. The reversal of 202220200020 is 20002022202.

It is a super-2 number, since 2×202220200020² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 202220199969 and 202220200005.

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, 868420 + ... + 1076379.

It is an arithmetic number, because the mean of its divisors is an integer number (11802991200).

Almost surely, 2^202220200020 is an apocalyptic number.

202220200020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202220200020 is an abundant number, since it is smaller than the sum of its proper divisors (364323377580).

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

202220200020 is a wasteful number, since it uses less digits than its factorization.

202220200020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1946544 (or 1946542 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

Adding to 202220200020 its reverse (20002022202), we get a palindrome (222222222222).

The spelling of 202220200020 in words is "two hundred two billion, two hundred twenty million, two hundred thousand, twenty".