204023034 has 24 divisors (see below), whose sum is σ = 442345332. Its totient is φ = 67962240.

The previous prime is 204023021. The next prime is 204023063. The reversal of 204023034 is 430320402.

It can be written as a sum of positive squares in 2 ways, for example, as 201782025 + 2241009 = 14205^2 + 1497^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 204022998 and 204023016.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34194 + ... + 39714.

Almost surely, 2^204023034 is an apocalyptic number.

204023034 is an abundant number, since it is smaller than the sum of its proper divisors (238322298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204023034 is a wasteful number, since it uses less digits than its factorization.

204023034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7582 (or 7579 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 204023034 is about 14283.6631856117. The cubic root of 204023034 is about 588.6986870232.

Adding to 204023034 its reverse (430320402), we get a palindrome (634343436).

It can be divided in two parts, 20402 and 3034, that added together give a triangular number (23436 = T₂₁₆).

The spelling of 204023034 in words is "two hundred four million, twenty-three thousand, thirty-four".