20013123030033 has 16 divisors (see below), whose sum is σ = 30498284906496. Its totient is φ = 11435283765840.

The previous prime is 20013123030031. The next prime is 20013123030059. The reversal of 20013123030033 is 33003032131002.

It is not a de Polignac number, because 20013123030033 - 2¹ = 20013123030031 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 20013123029991 and 20013123030009.

It is not an unprimeable number, because it can be changed into a prime (20013123030031) 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, 32459703 + ... + 33070508.

It is an arithmetic number, because the mean of its divisors is an integer number (1906142806656).

Almost surely, 2^{20013123030033} is an apocalyptic number.

It is an amenable number.

20013123030033 is a deficient number, since it is larger than the sum of its proper divisors (10485161876463).

20013123030033 is a wasteful number, since it uses less digits than its factorization.

20013123030033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65544764.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 20013123030033 its reverse (33003032131002), we get a palindrome (53016155161035).

The spelling of 20013123030033 in words is "twenty trillion, thirteen billion, one hundred twenty-three million, thirty thousand, thirty-three".