3204920157 has 8 divisors (see below), whose sum is σ = 4292052576. Its totient is φ = 2127200592.

The previous prime is 3204920137. The next prime is 3204920317. The reversal of 3204920157 is 7510294023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3204920157 - 2⁶ = 3204920093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3204920137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2352418 + ... + 2353779.

It is an arithmetic number, because the mean of its divisors is an integer number (536506572).

Almost surely, 2^3204920157 is an apocalyptic number.

It is an amenable number.

3204920157 is a deficient number, since it is larger than the sum of its proper divisors (1087132419).

3204920157 is a wasteful number, since it uses less digits than its factorization.

3204920157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4706427.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 3204920157 is about 56612.0142460944. The cubic root of 3204920157 is about 1474.3674632651.

The spelling of 3204920157 in words is "three billion, two hundred four million, nine hundred twenty thousand, one hundred fifty-seven".