33020412320 has 48 divisors (see below), whose sum is σ = 89155116288. Its totient is φ = 11321283840.

The previous prime is 33020412301. The next prime is 33020412391. The reversal of 33020412320 is 2321402033.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 33020412292 and 33020412301.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14740136 + ... + 14742375.

It is an arithmetic number, because the mean of its divisors is an integer number (1857398256).

Almost surely, 2^33020412320 is an apocalyptic number.

It is an amenable number.

33020412320 is an abundant number, since it is smaller than the sum of its proper divisors (56134703968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33020412320 is a wasteful number, since it uses less digits than its factorization.

33020412320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29482533 (or 29482525 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 33020412320 its reverse (2321402033), we get a palindrome (35341814353).

The spelling of 33020412320 in words is "thirty-three billion, twenty million, four hundred twelve thousand, three hundred twenty".