202020011022001 has 32 divisors (see below), whose sum is σ = 213120159840000. Its totient is φ = 191123615612160.

The previous prime is 202020011021953. The next prime is 202020011022043. The reversal of 202020011022001 is 100220110020202.

It is a happy number.

It is not a de Polignac number, because 202020011022001 - 2⁹ = 202020011021489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (202020011022061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7280248875 + ... + 7280276623.

It is an arithmetic number, because the mean of its divisors is an integer number (6660004995000).

Almost surely, 2^{202020011022001} is an apocalyptic number.

It is an amenable number.

202020011022001 is a deficient number, since it is larger than the sum of its proper divisors (11100148817999).

202020011022001 is a wasteful number, since it uses less digits than its factorization.

202020011022001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36409.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 202020011022001 its reverse (100220110020202), we get a palindrome (302240121042203).

The spelling of 202020011022001 in words is "two hundred two trillion, twenty billion, eleven million, twenty-two thousand, one".