157620204 has 36 divisors (see below), whose sum is σ = 455347984. Its totient is φ = 45034272.

The previous prime is 157620193. The next prime is 157620223. The reversal of 157620204 is 402026751.

157620204 is a `hidden beast` number, since 15 + 7 + 620 + 20 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 312487 + ... + 312990.

Almost surely, 2^157620204 is an apocalyptic number.

157620204 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

157620204 is an abundant number, since it is smaller than the sum of its proper divisors (297727780).

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

157620204 is a wasteful number, since it uses less digits than its factorization.

157620204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625494 (or 625489 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 157620204 is about 12554.6885266023. The cubic root of 157620204 is about 540.1785006597.

Adding to 157620204 its reverse (402026751), we get a palindrome (559646955).

The spelling of 157620204 in words is "one hundred fifty-seven million, six hundred twenty thousand, two hundred four".