352021135320 has 96 divisors (see below), whose sum is σ = 1145480328720. Its totient is φ = 93756476160.

The previous prime is 352021135313. The next prime is 352021135357. The reversal of 352021135320 is 23531120253.

It is a happy number.

352021135320 is a `hidden beast` number, since 3 + 5 + 202 + 1 + 135 + 320 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 310899 + ... + 894818.

Almost surely, 2^352021135320 is an apocalyptic number.

352021135320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

352021135320 is an abundant number, since it is smaller than the sum of its proper divisors (793459193400).

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

352021135320 is a wasteful number, since it uses less digits than its factorization.

352021135320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1206545 (or 1206538 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 352021135320 its reverse (23531120253), we get a palindrome (375552255573).

The spelling of 352021135320 in words is "three hundred fifty-two billion, twenty-one million, one hundred thirty-five thousand, three hundred twenty".