205952195219572 has 24 divisors (see below), whose sum is σ = 381617811214920. Its totient is φ = 96918551009280.

The previous prime is 205952195219531. The next prime is 205952195219581. The reversal of 205952195219572 is 275912591259502.

It can be written as a sum of positive squares in 4 ways, for example, as 13384285670116 + 192567909549456 = 3658454^2 + 13876884^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66298572 + ... + 69335452.

It is an arithmetic number, because the mean of its divisors is an integer number (15900742133955).

Almost surely, 2^{205952195219572} is an apocalyptic number.

It is an amenable number.

205952195219572 is a deficient number, since it is larger than the sum of its proper divisors (175665615995348).

205952195219572 is a wasteful number, since it uses less digits than its factorization.

205952195219572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4034211 (or 4034209 counting only the distinct ones).

The product of its (nonzero) digits is 51030000, while the sum is 64.

The spelling of 205952195219572 in words is "two hundred five trillion, nine hundred fifty-two billion, one hundred ninety-five million, two hundred nineteen thousand, five hundred seventy-two".