320000022020 has 48 divisors (see below), whose sum is σ = 768034286208. Its totient is φ = 109709402880.

The previous prime is 320000021989. The next prime is 320000022047. The reversal of 320000022020 is 20220000023.

It is a super-3 number, since 3×320000022020³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 320000021992 and 320000022010.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4635155 + ... + 4703685.

It is an arithmetic number, because the mean of its divisors is an integer number (16000714296).

Almost surely, 2^320000022020 is an apocalyptic number.

It is an amenable number.

320000022020 is an abundant number, since it is smaller than the sum of its proper divisors (448034264188).

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

320000022020 is a wasteful number, since it uses less digits than its factorization.

320000022020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101900 (or 101898 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 11.

Adding to 320000022020 its reverse (20220000023), we get a palindrome (340220022043).

The spelling of 320000022020 in words is "three hundred twenty billion, twenty-two thousand, twenty".