33020221012013 has 32 divisors (see below), whose sum is σ = 34796305555200. Its totient is φ = 31274197042176.

The previous prime is 33020221011929. The next prime is 33020221012049. The reversal of 33020221012013 is 31021012202033.

It is a cyclic number.

It is not a de Polignac number, because 33020221012013 - 2¹⁸ = 33020220749869 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33020221012063) 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, 1492158533 + ... + 1492180661.

It is an arithmetic number, because the mean of its divisors is an integer number (1087384548600).

Almost surely, 2^{33020221012013} is an apocalyptic number.

It is an amenable number.

33020221012013 is a deficient number, since it is larger than the sum of its proper divisors (1776084543187).

33020221012013 is a wasteful number, since it uses less digits than its factorization.

33020221012013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23861.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 33020221012013 its reverse (31021012202033), we get a palindrome (64041233214046).

The spelling of 33020221012013 in words is "thirty-three trillion, twenty billion, two hundred twenty-one million, twelve thousand, thirteen".