205071392 has 12 divisors (see below), whose sum is σ = 403734366. Its totient is φ = 102535680.

The previous prime is 205071379. The next prime is 205071437. The reversal of 205071392 is 293170502.

It can be written as a sum of positive squares in only one way, i.e., 121969936 + 83101456 = 11044^2 + 9116^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3204209 + ... + 3204272.

Almost surely, 2^205071392 is an apocalyptic number.

It is an amenable number.

205071392 is a deficient number, since it is larger than the sum of its proper divisors (198662974).

205071392 is an equidigital number, since it uses as much as digits as its factorization.

205071392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6408491 (or 6408483 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 205071392 is about 14320.3139630387. The cubic root of 205071392 is about 589.7052937834.

The spelling of 205071392 in words is "two hundred five million, seventy-one thousand, three hundred ninety-two".