20020012122021 has 8 divisors (see below), whose sum is σ = 26693446429344. Its totient is φ = 13346626281360.

The previous prime is 20020012122007. The next prime is 20020012122041. The reversal of 20020012122021 is 12022121002002.

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

It is not a de Polignac number, because 20020012122021 - 2⁶ = 20020012121957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020012122041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11141631 + ... + 12813116.

It is an arithmetic number, because the mean of its divisors is an integer number (3336680803668).

Almost surely, 2^{20020012122021} is an apocalyptic number.

It is an amenable number.

20020012122021 is a deficient number, since it is larger than the sum of its proper divisors (6673434307323).

20020012122021 is a wasteful number, since it uses less digits than its factorization.

20020012122021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24233331.

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

Adding to 20020012122021 its reverse (12022121002002), we get a palindrome (32042133124023).

The spelling of 20020012122021 in words is "twenty trillion, twenty billion, twelve million, one hundred twenty-two thousand, twenty-one".