20210222120 has 64 divisors (see below), whose sum is σ = 49858934400. Its totient is φ = 7311834880.

The previous prime is 20210222117. The next prime is 20210222143. The reversal of 20210222120 is 2122201202.

It is a junction number, because it is equal to n+sod(n) for n = 20210222095 and 20210222104.

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, 29900 + ... + 203259.

It is an arithmetic number, because the mean of its divisors is an integer number (779045850).

Almost surely, 2^20210222120 is an apocalyptic number.

20210222120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20210222120 is an abundant number, since it is smaller than the sum of its proper divisors (29648712280).

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

20210222120 is a wasteful number, since it uses less digits than its factorization.

20210222120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233378 (or 233374 counting only the distinct ones).

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

Adding to 20210222120 its reverse (2122201202), we get a palindrome (22332423322).

The spelling of 20210222120 in words is "twenty billion, two hundred ten million, two hundred twenty-two thousand, one hundred twenty".