320102032020 has 24 divisors (see below), whose sum is σ = 896285689824. Its totient is φ = 85360541856.

The previous prime is 320102032013. The next prime is 320102032067. The reversal of 320102032020 is 20230201023.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 2667516874 + ... + 2667516993.

It is an arithmetic number, because the mean of its divisors is an integer number (37345237076).

Almost surely, 2^320102032020 is an apocalyptic number.

320102032020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

320102032020 is an abundant number, since it is smaller than the sum of its proper divisors (576183657804).

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

320102032020 is a wasteful number, since it uses less digits than its factorization.

320102032020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5335033879 (or 5335033877 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 320102032020 its reverse (20230201023), we get a palindrome (340332233043).

The spelling of 320102032020 in words is "three hundred twenty billion, one hundred two million, thirty-two thousand, twenty".