320152420 has 24 divisors (see below), whose sum is σ = 768366144. Its totient is φ = 109766496.

The previous prime is 320152411. The next prime is 320152429. The reversal of 320152420 is 24251023.

320152420 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (320152411) and next prime (320152429).

It is not an unprimeable number, because it can be changed into a prime (320152429) 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, 1143262 + ... + 1143541.

It is an arithmetic number, because the mean of its divisors is an integer number (32015256).

Almost surely, 2^320152420 is an apocalyptic number.

It is an amenable number.

320152420 is an abundant number, since it is smaller than the sum of its proper divisors (448213724).

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

320152420 is a wasteful number, since it uses less digits than its factorization.

320152420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2286819 (or 2286817 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 320152420 is about 17892.8035813284. The cubic root of 320152420 is about 684.0989591555.

The spelling of 320152420 in words is "three hundred twenty million, one hundred fifty-two thousand, four hundred twenty".