205672142422 has 8 divisors (see below), whose sum is σ = 310473234576. Its totient is φ = 102181064232.

The previous prime is 205672142413. The next prime is 205672142453. The reversal of 205672142422 is 224241276502.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 327503098 + ... + 327503725.

It is an arithmetic number, because the mean of its divisors is an integer number (38809154322).

Almost surely, 2^205672142422 is an apocalyptic number.

205672142422 is a deficient number, since it is larger than the sum of its proper divisors (104801092154).

205672142422 is a wasteful number, since it uses less digits than its factorization.

205672142422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655006982.

The product of its (nonzero) digits is 107520, while the sum is 37.

The spelling of 205672142422 in words is "two hundred five billion, six hundred seventy-two million, one hundred forty-two thousand, four hundred twenty-two".