205760225613 has 8 divisors (see below), whose sum is σ = 274349528128. Its totient is φ = 137172203424.

The previous prime is 205760225599. The next prime is 205760225681. The reversal of 205760225613 is 316522067502.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 205760225613 - 2⁸ = 205760225357 is a prime.

It is a super-2 number, since 2×205760225613² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205760225413) 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, 156120 + ... + 660222.

It is an arithmetic number, because the mean of its divisors is an integer number (34293691016).

Almost surely, 2^205760225613 is an apocalyptic number.

It is an amenable number.

205760225613 is a deficient number, since it is larger than the sum of its proper divisors (68589302515).

205760225613 is a wasteful number, since it uses less digits than its factorization.

205760225613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640163.

The product of its (nonzero) digits is 151200, while the sum is 39.

The spelling of 205760225613 in words is "two hundred five billion, seven hundred sixty million, two hundred twenty-five thousand, six hundred thirteen".