3220122020 has 24 divisors (see below), whose sum is σ = 6771823800. Its totient is φ = 1286226432.

The previous prime is 3220122019. The next prime is 3220122049. The reversal of 3220122020 is 202210223.

It can be written as a sum of positive squares in 4 ways, for example, as 42094144 + 3178027876 = 6488^2 + 56374^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3220121986 and 3220122004.

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, 99365 + ... + 127724.

It is an arithmetic number, because the mean of its divisors is an integer number (282159325).

Almost surely, 2^3220122020 is an apocalyptic number.

It is an amenable number.

3220122020 is an abundant number, since it is smaller than the sum of its proper divisors (3551701780).

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

3220122020 is a wasteful number, since it uses less digits than its factorization.

3220122020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227807 (or 227805 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 3220122020 is about 56746.1189862355. The cubic root of 3220122020 is about 1476.6949042890.

Adding to 3220122020 its reverse (202210223), we get a palindrome (3422332243).

The spelling of 3220122020 in words is "three billion, two hundred twenty million, one hundred twenty-two thousand, twenty".