932945220 has 144 divisors (see below), whose sum is σ = 3035672640. Its totient is φ = 231199488.

The previous prime is 932945213. The next prime is 932945249. The reversal of 932945220 is 22549239.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 178687 + ... + 183833.

It is an arithmetic number, because the mean of its divisors is an integer number (21081060).

Almost surely, 2^932945220 is an apocalyptic number.

932945220 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 932945220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1517836320).

932945220 is an abundant number, since it is smaller than the sum of its proper divisors (2102727420).

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

932945220 is a wasteful number, since it uses less digits than its factorization.

932945220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5234 (or 5229 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 932945220 is about 30544.1519770970. The cubic root of 932945220 is about 977.1293266018.

The spelling of 932945220 in words is "nine hundred thirty-two million, nine hundred forty-five thousand, two hundred twenty".