204254220124 has 12 divisors (see below), whose sum is σ = 358363769400. Its totient is φ = 101864571728.

The previous prime is 204254220113. The next prime is 204254220133. The reversal of 204254220124 is 421022452402.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 204254220092 and 204254220101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65632834 + ... + 65635945.

It is an arithmetic number, because the mean of its divisors is an integer number (29863647450).

Almost surely, 2^204254220124 is an apocalyptic number.

It is an amenable number.

204254220124 is a deficient number, since it is larger than the sum of its proper divisors (154109549276).

204254220124 is a wasteful number, since it uses less digits than its factorization.

204254220124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131269172 (or 131269170 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 28.

Adding to 204254220124 its reverse (421022452402), we get a palindrome (625276672526).

The spelling of 204254220124 in words is "two hundred four billion, two hundred fifty-four million, two hundred twenty thousand, one hundred twenty-four".