320013155838 has 16 divisors (see below), whose sum is σ = 640267226640. Its totient is φ = 106630899456.

The previous prime is 320013155821. The next prime is 320013155851. The reversal of 320013155838 is 838551310023.

320013155838 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 320013155796 and 320013155805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10020853 + ... + 10052736.

It is an arithmetic number, because the mean of its divisors is an integer number (40016701665).

Almost surely, 2^320013155838 is an apocalyptic number.

320013155838 is an abundant number, since it is smaller than the sum of its proper divisors (320254070802).

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

320013155838 is a wasteful number, since it uses less digits than its factorization.

320013155838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20076251.

The product of its (nonzero) digits is 86400, while the sum is 39.

The spelling of 320013155838 in words is "three hundred twenty billion, thirteen million, one hundred fifty-five thousand, eight hundred thirty-eight".