13021020033 has 16 divisors (see below), whose sum is σ = 19870626816. Its totient is φ = 7429680720.

The previous prime is 13021020011. The next prime is 13021020043. The reversal of 13021020033 is 33002012031.

It is not a de Polignac number, because 13021020033 - 2⁹ = 13021019521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13021019994 and 13021020021.

It is not an unprimeable number, because it can be changed into a prime (13021020043) 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, 439573 + ... + 468258.

It is an arithmetic number, because the mean of its divisors is an integer number (1241914176).

Almost surely, 2^13021020033 is an apocalyptic number.

It is an amenable number.

13021020033 is a deficient number, since it is larger than the sum of its proper divisors (6849606783).

13021020033 is an equidigital number, since it uses as much as digits as its factorization.

13021020033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908524.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 13021020033 its reverse (33002012031), we get a palindrome (46023032064).

The spelling of 13021020033 in words is "thirteen billion, twenty-one million, twenty thousand, thirty-three".