1320372064 has 24 divisors (see below), whose sum is σ = 2835799848. Its totient is φ = 600168960.

The previous prime is 1320372043. The next prime is 1320372071. The reversal of 1320372064 is 4602730231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1875177 + ... + 1875880.

It is an arithmetic number, because the mean of its divisors is an integer number (118158327).

Almost surely, 2^1320372064 is an apocalyptic number.

It is an amenable number.

1320372064 is an abundant number, since it is smaller than the sum of its proper divisors (1515427784).

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

1320372064 is a wasteful number, since it uses less digits than its factorization.

1320372064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3751078 (or 3751070 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 1320372064 is about 36336.9242506847. The cubic root of 1320372064 is about 1097.0643664138.

The spelling of 1320372064 in words is "one billion, three hundred twenty million, three hundred seventy-two thousand, sixty-four".