10320521330 has 32 divisors (see below), whose sum is σ = 22479659136. Its totient is φ = 3330319104.

The previous prime is 10320521329. The next prime is 10320521357. The reversal of 10320521330 is 3312502301.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4335164 + ... + 4337543.

It is an arithmetic number, because the mean of its divisors is an integer number (702489348).

Almost surely, 2^10320521330 is an apocalyptic number.

10320521330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10320521330 is an abundant number, since it is smaller than the sum of its proper divisors (12159137806).

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

10320521330 is a wasteful number, since it uses less digits than its factorization.

10320521330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8672738.

The product of its (nonzero) digits is 540, while the sum is 20.

The spelling of 10320521330 in words is "ten billion, three hundred twenty million, five hundred twenty-one thousand, three hundred thirty".