205102250404 has 24 divisors (see below), whose sum is σ = 374561812800. Its totient is φ = 98085238944.

The previous prime is 205102250389. The next prime is 205102250413. The reversal of 205102250404 is 404052201502.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1320127 + ... + 1467289.

It is an arithmetic number, because the mean of its divisors is an integer number (15606742200).

Almost surely, 2^205102250404 is an apocalyptic number.

It is an amenable number.

205102250404 is a deficient number, since it is larger than the sum of its proper divisors (169459562396).

205102250404 is a wasteful number, since it uses less digits than its factorization.

205102250404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162339 (or 162337 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

Adding to 205102250404 its reverse (404052201502), we get a palindrome (609154451906).

The spelling of 205102250404 in words is "two hundred five billion, one hundred two million, two hundred fifty thousand, four hundred four".