320420122000 has 80 divisors (see below), whose sum is σ = 845210081664. Its totient is φ = 116516400000.

The previous prime is 320420121979. The next prime is 320420122003. The reversal of 320420122000 is 221024023.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (320420122003) 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, 7260276 + ... + 7304275.

Almost surely, 2^320420122000 is an apocalyptic number.

It is an amenable number.

320420122000 is an abundant number, since it is smaller than the sum of its proper divisors (524789959664).

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

320420122000 is a wasteful number, since it uses less digits than its factorization.

320420122000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14564585 (or 14564569 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 320420122000 its reverse (221024023), we get a palindrome (320641146023).

The spelling of 320420122000 in words is "three hundred twenty billion, four hundred twenty million, one hundred twenty-two thousand".