204001030 has 32 divisors (see below), whose sum is σ = 392097024. Its totient is φ = 76233696.

The previous prime is 204001013. The next prime is 204001067. The reversal of 204001030 is 30100402.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 204000998 and 204001016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 424 + ... + 20203.

It is an arithmetic number, because the mean of its divisors is an integer number (12253032).

Almost surely, 2^204001030 is an apocalyptic number.

204001030 is a deficient number, since it is larger than the sum of its proper divisors (188095994).

204001030 is a wasteful number, since it uses less digits than its factorization.

204001030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20700.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 204001030 is about 14282.8929142524. The cubic root of 204001030 is about 588.6775224331.

Adding to 204001030 its reverse (30100402), we get a palindrome (234101432).

The spelling of 204001030 in words is "two hundred four million, one thousand, thirty".