204476505142 has 32 divisors (see below), whose sum is σ = 377653248000. Its totient is φ = 80857912608.

The previous prime is 204476505139. The next prime is 204476505157. The reversal of 204476505142 is 241505674402.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 204476505095 and 204476505104.

It is a congruent number.

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, 202459 + ... + 670777.

It is an arithmetic number, because the mean of its divisors is an integer number (11801664000).

Almost surely, 2^204476505142 is an apocalyptic number.

204476505142 is a deficient number, since it is larger than the sum of its proper divisors (173176742858).

204476505142 is a wasteful number, since it uses less digits than its factorization.

204476505142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470740.

The product of its (nonzero) digits is 268800, while the sum is 40.

The spelling of 204476505142 in words is "two hundred four billion, four hundred seventy-six million, five hundred five thousand, one hundred forty-two".