20220120202002 has 32 divisors (see below), whose sum is σ = 46243782529152. Its totient is φ = 5773881585024.

The previous prime is 20220120201991. The next prime is 20220120202013. The reversal of 20220120202002 is 20020202102202.

It is an interprime number because it is at equal distance from previous prime (20220120201991) and next prime (20220120202013).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137242813 + ... + 137390064.

It is an arithmetic number, because the mean of its divisors is an integer number (1445118204036).

Almost surely, 2^{20220120202002} is an apocalyptic number.

20220120202002 is an abundant number, since it is smaller than the sum of its proper divisors (26023662327150).

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

20220120202002 is a wasteful number, since it uses less digits than its factorization.

20220120202002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274634642.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 20220120202002 its reverse (20020202102202), we get a palindrome (40240322304204).

The spelling of 20220120202002 in words is "twenty trillion, two hundred twenty billion, one hundred twenty million, two hundred two thousand, two".