205031466 has 16 divisors (see below), whose sum is σ = 455625600. Its totient is φ = 68343804.

The previous prime is 205031423. The next prime is 205031483. The reversal of 205031466 is 664130502.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1898386 + ... + 1898493.

It is an arithmetic number, because the mean of its divisors is an integer number (28476600).

Almost surely, 2^205031466 is an apocalyptic number.

205031466 is an abundant number, since it is smaller than the sum of its proper divisors (250594134).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

205031466 is a wasteful number, since it uses less digits than its factorization.

205031466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3796890 (or 3796884 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 205031466 is about 14318.9198614979. The cubic root of 205031466 is about 589.6670207679.

Adding to 205031466 its reverse (664130502), we get a palindrome (869161968).

The spelling of 205031466 in words is "two hundred five million, thirty-one thousand, four hundred sixty-six".