3155045323220 has 24 divisors (see below), whose sum is σ = 7572108776064. Its totient is φ = 1081729825056.

The previous prime is 3155045323217. The next prime is 3155045323229. The reversal of 3155045323220 is 223235405513.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3155045323229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11268018872 + ... + 11268019151.

It is an arithmetic number, because the mean of its divisors is an integer number (315504532336).

Almost surely, 2^{3155045323220} is an apocalyptic number.

It is an amenable number.

3155045323220 is an abundant number, since it is smaller than the sum of its proper divisors (4417063452844).

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

3155045323220 is a wasteful number, since it uses less digits than its factorization.

3155045323220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22536038039 (or 22536038037 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 35.

The spelling of 3155045323220 in words is "three trillion, one hundred fifty-five billion, forty-five million, three hundred twenty-three thousand, two hundred twenty".