33020013413 has 16 divisors (see below), whose sum is σ = 34772516352. Its totient is φ = 31312008000.

The previous prime is 33020013391. The next prime is 33020013469. The reversal of 33020013413 is 31431002033.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33020013413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33020013473) 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, 1320083 + ... + 1344863.

It is an arithmetic number, because the mean of its divisors is an integer number (2173282272).

Almost surely, 2^33020013413 is an apocalyptic number.

It is an amenable number.

33020013413 is a deficient number, since it is larger than the sum of its proper divisors (1752502939).

33020013413 is a wasteful number, since it uses less digits than its factorization.

33020013413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25676.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 33020013413 its reverse (31431002033), we get a palindrome (64451015446).

The spelling of 33020013413 in words is "thirty-three billion, twenty million, thirteen thousand, four hundred thirteen".