205102105924 has 27 divisors (see below), whose sum is σ = 361980166527. Its totient is φ = 101686501224.

The previous prime is 205102105909. The next prime is 205102105963. The reversal of 205102105924 is 429501201502.

The square root of 205102105924 is 452882.

It is a perfect power (a square), and thus also a powerful number.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 115031137 + ... + 115032919.

Almost surely, 2^205102105924 is an apocalyptic number.

205102105924 is the 452882-nd square number.

It is an amenable number.

205102105924 is a deficient number, since it is larger than the sum of its proper divisors (156878060603).

205102105924 is an frugal number, since it uses more digits than its factorization.

205102105924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3824 (or 1912 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

The spelling of 205102105924 in words is "two hundred five billion, one hundred two million, one hundred five thousand, nine hundred twenty-four".