3111222020 has 24 divisors (see below), whose sum is σ = 6917894424. Its totient is φ = 1171283456.

The previous prime is 3111222019. The next prime is 3111222053. The reversal of 3111222020 is 202221113.

It is a happy number.

3111222020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1301910724 + 1809311296 = 36082^2 + 42536^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3111221986 and 3111222004.

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, 4574987 + ... + 4575666.

It is an arithmetic number, because the mean of its divisors is an integer number (288245601).

Almost surely, 2^3111222020 is an apocalyptic number.

It is an amenable number.

3111222020 is an abundant number, since it is smaller than the sum of its proper divisors (3806672404).

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

3111222020 is a wasteful number, since it uses less digits than its factorization.

3111222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9150679 (or 9150677 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 3111222020 is about 55778.3293044889. The cubic root of 3111222020 is about 1459.8570605042.

Adding to 3111222020 its reverse (202221113), we get a palindrome (3313443133).

The spelling of 3111222020 in words is "three billion, one hundred eleven million, two hundred twenty-two thousand, twenty".