352120023420 has 48 divisors (see below), whose sum is σ = 1075566619008. Its totient is φ = 85362429760.

The previous prime is 352120023419. The next prime is 352120023421. The reversal of 352120023420 is 24320021253.

It is an interprime number because it is at equal distance from previous prime (352120023419) and next prime (352120023421).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (352120023421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 266756934 + ... + 266758253.

It is an arithmetic number, because the mean of its divisors is an integer number (22407637896).

Almost surely, 2^352120023420 is an apocalyptic number.

352120023420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

352120023420 is an abundant number, since it is smaller than the sum of its proper divisors (723446595588).

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

352120023420 is a wasteful number, since it uses less digits than its factorization.

352120023420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533515210 (or 533515208 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 352120023420 its reverse (24320021253), we get a palindrome (376440044673).

The spelling of 352120023420 in words is "three hundred fifty-two billion, one hundred twenty million, twenty-three thousand, four hundred twenty".