205820632092 has 48 divisors (see below), whose sum is σ = 485622708480. Its totient is φ = 67841038848.

The previous prime is 205820632091. The next prime is 205820632117. The reversal of 205820632092 is 290236028502.

It is a self number, because there is not a number n which added to its sum of digits gives 205820632092.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205820632091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 722284 + ... + 966092.

It is an arithmetic number, because the mean of its divisors is an integer number (10117139760).

Almost surely, 2^205820632092 is an apocalyptic number.

It is an amenable number.

205820632092 is an abundant number, since it is smaller than the sum of its proper divisors (279802076388).

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

205820632092 is a wasteful number, since it uses less digits than its factorization.

205820632092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244602 (or 244600 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The spelling of 205820632092 in words is "two hundred five billion, eight hundred twenty million, six hundred thirty-two thousand, ninety-two".