20003133010021 has 16 divisors (see below), whose sum is σ = 22984249222144. Its totient is φ = 17053038946944.

The previous prime is 20003133010001. The next prime is 20003133010033. The reversal of 20003133010021 is 12001033130002.

It is not a de Polignac number, because 20003133010021 - 2³⁵ = 19968773271653 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20003133009977 and 20003133010004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20003133010001) 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, 4155816 + ... + 7568161.

It is an arithmetic number, because the mean of its divisors is an integer number (1436515576384).

Almost surely, 2^{20003133010021} is an apocalyptic number.

It is an amenable number.

20003133010021 is a deficient number, since it is larger than the sum of its proper divisors (2981116212123).

20003133010021 is a wasteful number, since it uses less digits than its factorization.

20003133010021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11725300.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 20003133010021 its reverse (12001033130002), we get a palindrome (32004166140023).

The spelling of 20003133010021 in words is "twenty trillion, three billion, one hundred thirty-three million, ten thousand, twenty-one".