20220120202001 has 8 divisors (see below), whose sum is σ = 20231152233984. Its totient is φ = 20209088858400.

The previous prime is 20220120201991. The next prime is 20220120202013. The reversal of 20220120202001 is 10020202102202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20220120202001 is a prime.

It is a super-2 number, since 2×20220120202001² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20220120202201) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 65354396 + ... + 65663058.

It is an arithmetic number, because the mean of its divisors is an integer number (2528894029248).

Almost surely, 2^{20220120202001} is an apocalyptic number.

It is an amenable number.

20220120202001 is a deficient number, since it is larger than the sum of its proper divisors (11032031983).

20220120202001 is a wasteful number, since it uses less digits than its factorization.

20220120202001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344191.

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

Adding to 20220120202001 its reverse (10020202102202), we get a palindrome (30240322304203).

The spelling of 20220120202001 in words is "twenty trillion, two hundred twenty billion, one hundred twenty million, two hundred two thousand, one".