20220002120 has 32 divisors (see below), whose sum is σ = 45506966400. Its totient is φ = 8085874368.

The previous prime is 20220002081. The next prime is 20220002129. The reversal of 20220002120 is 2120002202.

It is not an unprimeable number, because it can be changed into a prime (20220002129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92267 + ... + 221253.

It is an arithmetic number, because the mean of its divisors is an integer number (1422092700).

Almost surely, 2^20220002120 is an apocalyptic number.

20220002120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20220002120 is an abundant number, since it is smaller than the sum of its proper divisors (25286964280).

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

20220002120 is a wasteful number, since it uses less digits than its factorization.

20220002120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132917 (or 132913 counting only the distinct ones).

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

Adding to 20220002120 its reverse (2120002202), we get a palindrome (22340004322).

The spelling of 20220002120 in words is "twenty billion, two hundred twenty million, two thousand, one hundred twenty".