3157823220 has 48 divisors (see below), whose sum is σ = 8845417728. Its totient is φ = 841751680.

The previous prime is 3157823213. The next prime is 3157823261. The reversal of 3157823220 is 223287513.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166630 + ... + 184610.

It is an arithmetic number, because the mean of its divisors is an integer number (184279536).

Almost surely, 2^3157823220 is an apocalyptic number.

3157823220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3157823220 is an abundant number, since it is smaller than the sum of its proper divisors (5687594508).

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

3157823220 is a wasteful number, since it uses less digits than its factorization.

3157823220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20920 (or 20918 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 3157823220 is about 56194.5123655326. The cubic root of 3157823220 is about 1467.1097544423.

The spelling of 3157823220 in words is "three billion, one hundred fifty-seven million, eight hundred twenty-three thousand, two hundred twenty".