205201220240502 has 12 divisors (see below), whose sum is σ = 444602643854460. Its totient is φ = 68400406746828.

The previous prime is 205201220240473. The next prime is 205201220240551. The reversal of 205201220240502 is 205042022102502.

It is a happy number.

205201220240502 is a `hidden beast` number, since 2 + 0 + 52 + 0 + 1 + 2 + 202 + 405 + 0 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5700033895552 + ... + 5700033895587.

It is an arithmetic number, because the mean of its divisors is an integer number (37050220321205).

Almost surely, 2^{205201220240502} is an apocalyptic number.

205201220240502 is an abundant number, since it is smaller than the sum of its proper divisors (239401423613958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

205201220240502 is a wasteful number, since it uses less digits than its factorization.

205201220240502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11400067791147 (or 11400067791144 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The spelling of 205201220240502 in words is "two hundred five trillion, two hundred one billion, two hundred twenty million, two hundred forty thousand, five hundred two".