320420373163019 has 16 divisors (see below), whose sum is σ = 330740125124640. Its totient is φ = 310190279984640.

The previous prime is 320420373163013. The next prime is 320420373163027. The reversal of 320420373163019 is 910361373024023.

It is a cyclic number.

It is not a de Polignac number, because 320420373163019 - 2²⁸ = 320420104727563 is a prime.

It is a super-2 number, since 2×320420373163019² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320420373163013) 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, 5985164 + ... + 26012745.

It is an arithmetic number, because the mean of its divisors is an integer number (20671257820290).

Almost surely, 2^{320420373163019} is an apocalyptic number.

320420373163019 is a deficient number, since it is larger than the sum of its proper divisors (10319751961621).

320420373163019 is a wasteful number, since it uses less digits than its factorization.

320420373163019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31999310.

The product of its (nonzero) digits is 489888, while the sum is 44.

The spelling of 320420373163019 in words is "three hundred twenty trillion, four hundred twenty billion, three hundred seventy-three million, one hundred sixty-three thousand, nineteen".