20220002010021 has 16 divisors (see below), whose sum is σ = 29412825906240. Its totient is φ = 12253749217920.

The previous prime is 20220002010017. The next prime is 20220002010023. The reversal of 20220002010021 is 12001020002202.

It is not a de Polignac number, because 20220002010021 - 2² = 20220002010017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20220002009979 and 20220002010006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20220002010023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19421376 + ... + 20435993.

It is an arithmetic number, because the mean of its divisors is an integer number (1838301619140).

Almost surely, 2^{20220002010021} is an apocalyptic number.

It is an amenable number.

20220002010021 is a deficient number, since it is larger than the sum of its proper divisors (9192823896219).

20220002010021 is a wasteful number, since it uses less digits than its factorization.

20220002010021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39872756.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20220002010021 its reverse (12001020002202), we get a palindrome (32221022012223).

The spelling of 20220002010021 in words is "twenty trillion, two hundred twenty billion, two million, ten thousand, twenty-one".