204012502 has 4 divisors (see below), whose sum is σ = 306018756. Its totient is φ = 102006250.

The previous prime is 204012493. The next prime is 204012509. The reversal of 204012502 is 205210402.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×204012502² = 83242201944600008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204012509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51003124 + ... + 51003127.

It is an arithmetic number, because the mean of its divisors is an integer number (76504689).

Almost surely, 2^204012502 is an apocalyptic number.

204012502 is a deficient number, since it is larger than the sum of its proper divisors (102006254).

204012502 is a wasteful number, since it uses less digits than its factorization.

204012502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102006253.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 204012502 is about 14283.2945079208. The cubic root of 204012502 is about 588.6885569884.

Adding to 204012502 its reverse (205210402), we get a palindrome (409222904).

The spelling of 204012502 in words is "two hundred four million, twelve thousand, five hundred two".