204030765 has 32 divisors (see below), whose sum is σ = 372533760. Its totient is φ = 105872832.

The previous prime is 204030737. The next prime is 204030773. The reversal of 204030765 is 567030402.

It is a happy number.

It is not a de Polignac number, because 204030765 - 2¹⁹ = 203506477 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15429 + ... + 25418.

It is an arithmetic number, because the mean of its divisors is an integer number (11641680).

Almost surely, 2^204030765 is an apocalyptic number.

It is an amenable number.

204030765 is a deficient number, since it is larger than the sum of its proper divisors (168502995).

204030765 is a wasteful number, since it uses less digits than its factorization.

204030765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40898 (or 40892 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 204030765 is about 14283.9338069035. The cubic root of 204030765 is about 588.7061227392.

The spelling of 204030765 in words is "two hundred four million, thirty thousand, seven hundred sixty-five".