202022112220 has 48 divisors (see below), whose sum is σ = 449783808768. Its totient is φ = 75956894720.

The previous prime is 202022112167. The next prime is 202022112241. The reversal of 202022112220 is 22211220202.

It is a junction number, because it is equal to n+sod(n) for n = 202022112194 and 202022112203.

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, 121516 + ... + 647155.

It is an arithmetic number, because the mean of its divisors is an integer number (9370496016).

Almost surely, 2^202022112220 is an apocalyptic number.

202022112220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202022112220 is an abundant number, since it is smaller than the sum of its proper divisors (247761696548).

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

202022112220 is a wasteful number, since it uses less digits than its factorization.

202022112220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769470 (or 769468 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 202022112220 its reverse (22211220202), we get a palindrome (224233332422).

The spelling of 202022112220 in words is "two hundred two billion, twenty-two million, one hundred twelve thousand, two hundred twenty".