204031069 has 4 divisors (see below), whose sum is σ = 222579360. Its totient is φ = 185482780.

The previous prime is 204031043. The next prime is 204031073. The reversal of 204031069 is 960130402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 204031069 - 2¹³ = 204022877 is a prime.

It is a super-2 number, since 2×204031069² = 83257354234565522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204031039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9274129 + ... + 9274150.

It is an arithmetic number, because the mean of its divisors is an integer number (55644840).

Almost surely, 2^204031069 is an apocalyptic number.

It is an amenable number.

204031069 is a deficient number, since it is larger than the sum of its proper divisors (18548291).

204031069 is a wasteful number, since it uses less digits than its factorization.

204031069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18548290.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 204031069 is about 14283.9444482258. The cubic root of 204031069 is about 588.7064151242.

The spelling of 204031069 in words is "two hundred four million, thirty-one thousand, sixty-nine".