320430202028 has 12 divisors (see below), whose sum is σ = 564787047720. Its totient is φ = 159062474112.

The previous prime is 320430202003. The next prime is 320430202049. The reversal of 320430202028 is 820202034023.

It is a junction number, because it is equal to n+sod(n) for n = 320430201988 and 320430202006.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 288156101 + ... + 288157212.

It is an arithmetic number, because the mean of its divisors is an integer number (47065587310).

Almost surely, 2^320430202028 is an apocalyptic number.

It is an amenable number.

320430202028 is a deficient number, since it is larger than the sum of its proper divisors (244356845692).

320430202028 is a wasteful number, since it uses less digits than its factorization.

320430202028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576313456 (or 576313454 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The spelling of 320430202028 in words is "three hundred twenty billion, four hundred thirty million, two hundred two thousand, twenty-eight".