20023133313021 has 32 divisors (see below), whose sum is σ = 27576382348800. Its totient is φ = 12915843494400.

The previous prime is 20023133312993. The next prime is 20023133313049. The reversal of 20023133313021 is 12031333132002.

It is an interprime number because it is at equal distance from previous prime (20023133312993) and next prime (20023133313049).

It is not a de Polignac number, because 20023133313021 - 2⁷ = 20023133312893 is a prime.

It is a super-2 number, since 2×20023133313021² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20023133312982 and 20023133313000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20023133313721) 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, 78944635 + ... + 79197863.

It is an arithmetic number, because the mean of its divisors is an integer number (861761948400).

Almost surely, 2^{20023133313021} is an apocalyptic number.

It is an amenable number.

20023133313021 is a deficient number, since it is larger than the sum of its proper divisors (7553249035779).

20023133313021 is a wasteful number, since it uses less digits than its factorization.

20023133313021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259669.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 20023133313021 its reverse (12031333132002), we get a palindrome (32054466445023).

The spelling of 20023133313021 in words is "twenty trillion, twenty-three billion, one hundred thirty-three million, three hundred thirteen thousand, twenty-one".