205102822959 has 12 divisors (see below), whose sum is σ = 296764342056. Its totient is φ = 136502272752.

The previous prime is 205102822949. The next prime is 205102822993. The reversal of 205102822959 is 959228201502.

It is a happy number.

205102822959 is a `hidden beast` number, since 2 + 0 + 510 + 2 + 82 + 2 + 9 + 59 = 666.

It is not a de Polignac number, because 205102822959 - 2⁵ = 205102822927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205102822909) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19406304 + ... + 19416869.

It is an arithmetic number, because the mean of its divisors is an integer number (24730361838).

Almost surely, 2^205102822959 is an apocalyptic number.

205102822959 is a deficient number, since it is larger than the sum of its proper divisors (91661519097).

205102822959 is a wasteful number, since it uses less digits than its factorization.

205102822959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38823766 (or 38823763 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The spelling of 205102822959 in words is "two hundred five billion, one hundred two million, eight hundred twenty-two thousand, nine hundred fifty-nine".