204131051146 has 64 divisors (see below), whose sum is σ = 354260016000. Its totient is φ = 87242987520.

The previous prime is 204131051143. The next prime is 204131051149. The reversal of 204131051146 is 641150131402.

It is an interprime number because it is at equal distance from previous prime (204131051143) and next prime (204131051149).

It is not an unprimeable number, because it can be changed into a prime (204131051141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 97716070 + ... + 97718158.

It is an arithmetic number, because the mean of its divisors is an integer number (5535312750).

Almost surely, 2^204131051146 is an apocalyptic number.

204131051146 is a deficient number, since it is larger than the sum of its proper divisors (150128964854).

204131051146 is a wasteful number, since it uses less digits than its factorization.

204131051146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3767.

The product of its (nonzero) digits is 2880, while the sum is 28.

Adding to 204131051146 its reverse (641150131402), we get a palindrome (845281182548).

The spelling of 204131051146 in words is "two hundred four billion, one hundred thirty-one million, fifty-one thousand, one hundred forty-six".