33920480 has 48 divisors (see below), whose sum is σ = 87426864. Its totient is φ = 12334080.

The previous prime is 33920461. The next prime is 33920483. The reversal of 33920480 is 8402933.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33920483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7877 + ... + 11396.

It is an arithmetic number, because the mean of its divisors is an integer number (1821393).

Almost surely, 2^33920480 is an apocalyptic number.

It is an amenable number.

33920480 is an abundant number, since it is smaller than the sum of its proper divisors (53506384).

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

33920480 is a wasteful number, since it uses less digits than its factorization.

33920480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19299 (or 19291 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 33920480 is about 5824.1291194478. The cubic root of 33920480 is about 323.7084202948.

The spelling of 33920480 in words is "thirty-three million, nine hundred twenty thousand, four hundred eighty".