20220120121002 has 16 divisors (see below), whose sum is σ = 40440407931840. Its totient is φ = 6740012092032.

The previous prime is 20220120120989. The next prime is 20220120121021. The reversal of 20220120121002 is 20012102102202.

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, 5391502 + ... + 8337177.

It is an arithmetic number, because the mean of its divisors is an integer number (2527525495740).

Almost surely, 2^{20220120121002} is an apocalyptic number.

20220120121002 is an abundant number, since it is smaller than the sum of its proper divisors (20220287810838).

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

20220120121002 is a wasteful number, since it uses less digits than its factorization.

20220120121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13974157.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20220120121002 its reverse (20012102102202), we get a palindrome (40232222223204).

The spelling of 20220120121002 in words is "twenty trillion, two hundred twenty billion, one hundred twenty million, one hundred twenty-one thousand, two".