202202220220020 has 72 divisors (see below), whose sum is σ = 636063280411104. Its totient is φ = 53920592057376.

The previous prime is 202202220219971. The next prime is 202202220220027. The reversal of 202202220220020 is 20022022202202.

202202220220020 is a `hidden beast` number, since 2 + 0 + 2 + 202 + 220 + 220 + 0 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 202202220219975 and 202202220220002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202202220220027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20802692694 + ... + 20802702413.

It is an arithmetic number, because the mean of its divisors is an integer number (8834212227932).

Almost surely, 2^{202202220220020} is an apocalyptic number.

202202220220020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202202220220020 is an abundant number, since it is smaller than the sum of its proper divisors (433861060191084).

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

202202220220020 is a wasteful number, since it uses less digits than its factorization.

202202220220020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41605395131 (or 41605395117 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 202202220220020 its reverse (20022022202202), we get a palindrome (222224242422222).

The spelling of 202202220220020 in words is "two hundred two trillion, two hundred two billion, two hundred twenty million, two hundred twenty thousand, twenty".