332190820 has 24 divisors (see below), whose sum is σ = 751262904. Its totient is φ = 122654976.

The previous prime is 332190797. The next prime is 332190821. The reversal of 332190820 is 28091233.

It can be written as a sum of positive squares in 4 ways, for example, as 6677056 + 325513764 = 2584^2 + 18042^2 .

It is a super-2 number, since 2×332190820² = 220701481784544800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (332190821) 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, 638569 + ... + 639088.

It is an arithmetic number, because the mean of its divisors is an integer number (31302621).

Almost surely, 2^332190820 is an apocalyptic number.

It is an amenable number.

332190820 is an abundant number, since it is smaller than the sum of its proper divisors (419072084).

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

332190820 is a wasteful number, since it uses less digits than its factorization.

332190820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1277679 (or 1277677 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 332190820 is about 18226.1027101243. The cubic root of 332190820 is about 692.5681930526.

The spelling of 332190820 in words is "three hundred thirty-two million, one hundred ninety thousand, eight hundred twenty".