33413200021 has 24 divisors (see below), whose sum is σ = 35872623360. Its totient is φ = 31108677600.

The previous prime is 33413200013. The next prime is 33413200031. The reversal of 33413200021 is 12000231433.

It is not a de Polignac number, because 33413200021 - 2³ = 33413200013 is a prime.

It is a super-2 number, since 2×33413200021² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33413200031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2961531 + ... + 2972791.

It is an arithmetic number, because the mean of its divisors is an integer number (1494692640).

Almost surely, 2^33413200021 is an apocalyptic number.

It is an amenable number.

33413200021 is a deficient number, since it is larger than the sum of its proper divisors (2459423339).

33413200021 is a wasteful number, since it uses less digits than its factorization.

33413200021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11457 (or 11434 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 33413200021 its reverse (12000231433), we get a palindrome (45413431454).

The spelling of 33413200021 in words is "thirty-three billion, four hundred thirteen million, two hundred thousand, twenty-one".