204002157 has 8 divisors (see below), whose sum is σ = 283829184. Its totient is φ = 130088288.

The previous prime is 204002143. The next prime is 204002167. The reversal of 204002157 is 751200402.

204002157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 204002157 - 2¹⁸ = 203740013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204002167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1478208 + ... + 1478345.

It is an arithmetic number, because the mean of its divisors is an integer number (35478648).

Almost surely, 2^204002157 is an apocalyptic number.

It is an amenable number.

204002157 is a deficient number, since it is larger than the sum of its proper divisors (79827027).

204002157 is a wasteful number, since it uses less digits than its factorization.

204002157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2956579.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 204002157 is about 14282.9323669896. The cubic root of 204002157 is about 588.6786064772.

Adding to 204002157 its reverse (751200402), we get a palindrome (955202559).

The spelling of 204002157 in words is "two hundred four million, two thousand, one hundred fifty-seven".