205461235072902 has 16 divisors (see below), whose sum is σ = 410999263794432. Its totient is φ = 68474279416200.

The previous prime is 205461235072861. The next prime is 205461235072931. The reversal of 205461235072902 is 209270532164502.

It is a congruent number.

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, 3199700578 + ... + 3199764789.

It is an arithmetic number, because the mean of its divisors is an integer number (25687453987152).

Almost surely, 2^{205461235072902} is an apocalyptic number.

205461235072902 is an abundant number, since it is smaller than the sum of its proper divisors (205538028721530).

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

205461235072902 is a wasteful number, since it uses less digits than its factorization.

205461235072902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6399470723.

The product of its (nonzero) digits is 1814400, while the sum is 48.

The spelling of 205461235072902 in words is "two hundred five trillion, four hundred sixty-one billion, two hundred thirty-five million, seventy-two thousand, nine hundred two".