204196869124 has 12 divisors (see below), whose sum is σ = 357348236364. Its totient is φ = 102097373024.

The previous prime is 204196869109. The next prime is 204196869127. The reversal of 204196869124 is 421968691402.

It can be written as a sum of positive squares in 2 ways, for example, as 79388697600 + 124808171524 = 281760^2 + 353282^2 .

It is a super-2 number, since 2×204196869124² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (204196869127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 302394 + ... + 706990.

It is an arithmetic number, because the mean of its divisors is an integer number (29779019697).

Almost surely, 2^204196869124 is an apocalyptic number.

It is an amenable number.

204196869124 is a deficient number, since it is larger than the sum of its proper divisors (153151367240).

204196869124 is a wasteful number, since it uses less digits than its factorization.

204196869124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530774 (or 530772 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 52.

The spelling of 204196869124 in words is "two hundred four billion, one hundred ninety-six million, eight hundred sixty-nine thousand, one hundred twenty-four".