332120540 has 24 divisors (see below), whose sum is σ = 698584992. Its totient is φ = 132632640.

The previous prime is 332120533. The next prime is 332120561. The reversal of 332120540 is 45021233.

It is a happy number.

It is a super-2 number, since 2×332120540² = 220608106179783200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 539 + ... + 25778.

It is an arithmetic number, because the mean of its divisors is an integer number (29107708).

Almost surely, 2^332120540 is an apocalyptic number.

It is an amenable number.

332120540 is an abundant number, since it is smaller than the sum of its proper divisors (366464452).

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

332120540 is a wasteful number, since it uses less digits than its factorization.

332120540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26957 (or 26955 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 332120540 is about 18224.1746040802. The cubic root of 332120540 is about 692.5193485104.

Adding to 332120540 its reverse (45021233), we get a palindrome (377141773).

The spelling of 332120540 in words is "three hundred thirty-two million, one hundred twenty thousand, five hundred forty".