3102212020 has 24 divisors (see below), whose sum is σ = 6897860424. Its totient is φ = 1167891456.

The previous prime is 3102211991. The next prime is 3102212027. The reversal of 3102212020 is 202122013.

It can be written as a sum of positive squares in 4 ways, for example, as 54730404 + 3047481616 = 7398^2 + 55204^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3102212027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4561737 + ... + 4562416.

It is an arithmetic number, because the mean of its divisors is an integer number (287410851).

Almost surely, 2^3102212020 is an apocalyptic number.

It is an amenable number.

3102212020 is an abundant number, since it is smaller than the sum of its proper divisors (3795648404).

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

3102212020 is a wasteful number, since it uses less digits than its factorization.

3102212020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9124179 (or 9124177 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 3102212020 is about 55697.5046119662. The cubic root of 3102212020 is about 1458.4464647437.

Adding to 3102212020 its reverse (202122013), we get a palindrome (3304334033).

The spelling of 3102212020 in words is "three billion, one hundred two million, two hundred twelve thousand, twenty".