205348775026 has 16 divisors (see below), whose sum is σ = 309219571584. Its totient is φ = 102276003024.

The previous prime is 205348774991. The next prime is 205348775029. The reversal of 205348775026 is 620577843502.

It is a super-2 number, since 2×205348775026² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (205348775029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 886711 + ... + 1094053.

It is an arithmetic number, because the mean of its divisors is an integer number (19326223224).

Almost surely, 2^205348775026 is an apocalyptic number.

205348775026 is a deficient number, since it is larger than the sum of its proper divisors (103870796558).

205348775026 is a wasteful number, since it uses less digits than its factorization.

205348775026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209265.

The product of its (nonzero) digits is 2822400, while the sum is 49.

The spelling of 205348775026 in words is "two hundred five billion, three hundred forty-eight million, seven hundred seventy-five thousand, twenty-six".