20022002121013 has 4 divisors (see below), whose sum is σ = 20031074167680. Its totient is φ = 20012930074348.

The previous prime is 20022002121007. The next prime is 20022002121031. The reversal of 20022002121013 is 31012120022002.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20022002121013 - 2³³ = 20013412186421 is a prime.

It is a super-2 number, since 2×20022002121013² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022002121613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4536020023 + ... + 4536024436.

It is an arithmetic number, because the mean of its divisors is an integer number (5007768541920).

Almost surely, 2^{20022002121013} is an apocalyptic number.

It is an amenable number.

20022002121013 is a deficient number, since it is larger than the sum of its proper divisors (9072046667).

20022002121013 is an equidigital number, since it uses as much as digits as its factorization.

20022002121013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9072046666.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20022002121013 its reverse (31012120022002), we get a palindrome (51034122143015).

The spelling of 20022002121013 in words is "twenty trillion, twenty-two billion, two million, one hundred twenty-one thousand, thirteen".