204023146 has 16 divisors (see below), whose sum is σ = 313979904. Its totient is φ = 99383184.

The previous prime is 204023119. The next prime is 204023189. The reversal of 204023146 is 641320402.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16096 + ... + 25828.

It is an arithmetic number, because the mean of its divisors is an integer number (19623744).

Almost surely, 2^204023146 is an apocalyptic number.

204023146 is a deficient number, since it is larger than the sum of its proper divisors (109956758).

204023146 is a wasteful number, since it uses less digits than its factorization.

204023146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10005.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 204023146 is about 14283.6671061741. The cubic root of 204023146 is about 588.6987947467.

Adding to 204023146 its reverse (641320402), we get a palindrome (845343548).

The spelling of 204023146 in words is "two hundred four million, twenty-three thousand, one hundred forty-six".