33130560 has 56 divisors (see below), whose sum is σ = 105192576. Its totient is φ = 8834560.

The previous prime is 33130553. The next prime is 33130561. The reversal of 33130560 is 6503133.

It is not an unprimeable number, because it can be changed into a prime (33130561) 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, 16296 + ... + 18215.

Almost surely, 2^33130560 is an apocalyptic number.

33130560 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

33130560 is an abundant number, since it is smaller than the sum of its proper divisors (72062016).

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

33130560 is a wasteful number, since it uses less digits than its factorization.

33130560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34531 (or 34521 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 21.

The square root of 33130560 is about 5755.9152182776. The cubic root of 33130560 is about 321.1758821072.

Adding to 33130560 its reverse (6503133), we get a palindrome (39633693).

The spelling of 33130560 in words is "thirty-three million, one hundred thirty thousand, five hundred sixty".