205940793195 has 16 divisors (see below), whose sum is σ = 366116965920. Its totient is φ = 109835089632.

The previous prime is 205940793161. The next prime is 205940793203. The reversal of 205940793195 is 591397049502.

It is not a de Polignac number, because 205940793195 - 2⁶ = 205940793131 is a prime.

It is a super-2 number, since 2×205940793195² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 762743544 + ... + 762743813.

It is an arithmetic number, because the mean of its divisors is an integer number (22882310370).

Almost surely, 2^205940793195 is an apocalyptic number.

205940793195 is a deficient number, since it is larger than the sum of its proper divisors (160176172725).

205940793195 is a wasteful number, since it uses less digits than its factorization.

205940793195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1525487371 (or 1525487365 counting only the distinct ones).

The product of its (nonzero) digits is 3061800, while the sum is 54.

Adding to 205940793195 its sum of digits (54), we get a square (205940793249 = 453807²).

The spelling of 205940793195 in words is "two hundred five billion, nine hundred forty million, seven hundred ninety-three thousand, one hundred ninety-five".