320253030 has 48 divisors (see below), whose sum is σ = 848381040. Its totient is φ = 83788224.

The previous prime is 320253007. The next prime is 320253041. The reversal of 320253030 is 30352023.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 320252994 and 320253012.

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, 28800 + ... + 38339.

It is an arithmetic number, because the mean of its divisors is an integer number (17674605).

Almost surely, 2^320253030 is an apocalyptic number.

320253030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

320253030 is an abundant number, since it is smaller than the sum of its proper divisors (528128010).

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

320253030 is a wasteful number, since it uses less digits than its factorization.

320253030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67205 (or 67202 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 18.

The square root of 320253030 is about 17895.6148259846. The cubic root of 320253030 is about 684.1706125133.

The spelling of 320253030 in words is "three hundred twenty million, two hundred fifty-three thousand, thirty".