20020120220 has 24 divisors (see below), whose sum is σ = 42044940000. Its totient is φ = 8007536192.

The previous prime is 20020120177. The next prime is 20020120243. The reversal of 20020120220 is 2202102002.

It is a congruent number.

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, 526406 + ... + 563154.

It is an arithmetic number, because the mean of its divisors is an integer number (1751872500).

Almost surely, 2^20020120220 is an apocalyptic number.

20020120220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20020120220 is an abundant number, since it is smaller than the sum of its proper divisors (22024819780).

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

20020120220 is a wasteful number, since it uses less digits than its factorization.

20020120220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63997 (or 63995 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 20020120220 its reverse (2202102002), we get a palindrome (22222222222).

The spelling of 20020120220 in words is "twenty billion, twenty million, one hundred twenty thousand, two hundred twenty".