3123042220 has 24 divisors (see below), whose sum is σ = 6641409600. Its totient is φ = 1233403392.

The previous prime is 3123042203. The next prime is 3123042253. The reversal of 3123042220 is 222403213.

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, 986725 + ... + 989884.

It is an arithmetic number, because the mean of its divisors is an integer number (276725400).

Almost surely, 2^3123042220 is an apocalyptic number.

It is an amenable number.

3123042220 is an abundant number, since it is smaller than the sum of its proper divisors (3518367380).

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

3123042220 is a wasteful number, since it uses less digits than its factorization.

3123042220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1976697 (or 1976695 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 3123042220 is about 55884.1857773735. The cubic root of 3123042220 is about 1461.7034942090.

Adding to 3123042220 its reverse (222403213), we get a palindrome (3345445433).

The spelling of 3123042220 in words is "three billion, one hundred twenty-three million, forty-two thousand, two hundred twenty".