205036871892 has 48 divisors (see below), whose sum is σ = 509841948672. Its totient is φ = 63983133280.

The previous prime is 205036871887. The next prime is 205036871899. The reversal of 205036871892 is 298178630502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205036871899) 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, 7890084 + ... + 7916027.

It is an arithmetic number, because the mean of its divisors is an integer number (10621707264).

Almost surely, 2^205036871892 is an apocalyptic number.

It is an amenable number.

205036871892 is an abundant number, since it is smaller than the sum of its proper divisors (304805076780).

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

205036871892 is a wasteful number, since it uses less digits than its factorization.

205036871892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15806188 (or 15806186 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 51.

The spelling of 205036871892 in words is "two hundred five billion, thirty-six million, eight hundred seventy-one thousand, eight hundred ninety-two".