202011022220 has 24 divisors (see below), whose sum is σ = 484826453664. Its totient is φ = 69260921856.

The previous prime is 202011022211. The next prime is 202011022243. The reversal of 202011022220 is 22220110202.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 202011022195 and 202011022204.

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, 721467797 + ... + 721468076.

It is an arithmetic number, because the mean of its divisors is an integer number (20201102236).

Almost surely, 2^202011022220 is an apocalyptic number.

202011022220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202011022220 is an abundant number, since it is smaller than the sum of its proper divisors (282815431444).

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

202011022220 is a wasteful number, since it uses less digits than its factorization.

202011022220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1442935889 (or 1442935887 counting only the distinct ones).

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

Adding to 202011022220 its reverse (22220110202), we get a palindrome (224231132422).

The spelling of 202011022220 in words is "two hundred two billion, eleven million, twenty-two thousand, two hundred twenty".