3113222020 has 12 divisors (see below), whose sum is σ = 6537766284. Its totient is φ = 1245288800.

The previous prime is 3113222009. The next prime is 3113222033. The reversal of 3113222020 is 202223113.

It can be written as a sum of positive squares in 2 ways, for example, as 1309860864 + 1803361156 = 36192^2 + 42466^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3113221985 and 3113222003.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77830531 + ... + 77830570.

It is an arithmetic number, because the mean of its divisors is an integer number (544813857).

Almost surely, 2^3113222020 is an apocalyptic number.

It is an amenable number.

3113222020 is an abundant number, since it is smaller than the sum of its proper divisors (3424544264).

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

3113222020 is a wasteful number, since it uses less digits than its factorization.

3113222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155661110 (or 155661108 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 3113222020 is about 55796.2545337946. The cubic root of 3113222020 is about 1460.1698088599.

Adding to 3113222020 its reverse (202223113), we get a palindrome (3315445133).

The spelling of 3113222020 in words is "three billion, one hundred thirteen million, two hundred twenty-two thousand, twenty".