205142201468 has 12 divisors (see below), whose sum is σ = 377893529160. Its totient is φ = 97172621712.

The previous prime is 205142201461. The next prime is 205142201479. The reversal of 205142201468 is 864102241502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205142201461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1349619671 + ... + 1349619822.

It is an arithmetic number, because the mean of its divisors is an integer number (31491127430).

Almost surely, 2^205142201468 is an apocalyptic number.

It is an amenable number.

205142201468 is a deficient number, since it is larger than the sum of its proper divisors (172751327692).

205142201468 is a wasteful number, since it uses less digits than its factorization.

205142201468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2699239516 (or 2699239514 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 35.

The spelling of 205142201468 in words is "two hundred five billion, one hundred forty-two million, two hundred one thousand, four hundred sixty-eight".