204142930 has 16 divisors (see below), whose sum is σ = 376003584. Its totient is φ = 79758000.

The previous prime is 204142927. The next prime is 204142937. The reversal of 204142930 is 39241402.

204142930 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 204142895 and 204142904.

It is not an unprimeable number, because it can be changed into a prime (204142937) 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, 236946 + ... + 237805.

It is an arithmetic number, because the mean of its divisors is an integer number (23500224).

Almost surely, 2^204142930 is an apocalyptic number.

204142930 is a deficient number, since it is larger than the sum of its proper divisors (171860654).

204142930 is a wasteful number, since it uses less digits than its factorization.

204142930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474801.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 204142930 is about 14287.8595317843. The cubic root of 204142930 is about 588.8139824953.

The spelling of 204142930 in words is "two hundred four million, one hundred forty-two thousand, nine hundred thirty".