204012530 has 32 divisors (see below), whose sum is σ = 384079104. Its totient is φ = 77875776.

The previous prime is 204012517. The next prime is 204012541. The reversal of 204012530 is 35210402.

It is a super-2 number, since 2×204012530² = 83242224794001800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 204012499 and 204012508.

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, 140267 + ... + 141713.

It is an arithmetic number, because the mean of its divisors is an integer number (12002472).

Almost surely, 2^204012530 is an apocalyptic number.

204012530 is a deficient number, since it is larger than the sum of its proper divisors (180066574).

204012530 is a wasteful number, since it uses less digits than its factorization.

204012530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2090.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 204012530 is about 14283.2954880868. The cubic root of 204012530 is about 588.6885839202.

Adding to 204012530 its reverse (35210402), we get a palindrome (239222932).

The spelling of 204012530 in words is "two hundred four million, twelve thousand, five hundred thirty".