205940162 has 8 divisors (see below), whose sum is σ = 308973756. Its totient is φ = 102948912.

The previous prime is 205940153. The next prime is 205940179. The reversal of 205940162 is 261049502.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 202521361 + 3418801 = 14231^2 + 1849^2 .

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

It is a super-2 number, since 2×205940162² = 84822700649172488, which contains 22 as substring.

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, 8348 + ... + 21944.

Almost surely, 2^205940162 is an apocalyptic number.

205940162 is a deficient number, since it is larger than the sum of its proper divisors (103033594).

205940162 is a wasteful number, since it uses less digits than its factorization.

205940162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21172.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 205940162 is about 14350.6153875017. The cubic root of 205940162 is about 590.5368684116.

Adding to 205940162 its reverse (261049502), we get a palindrome (466989664).

The spelling of 205940162 in words is "two hundred five million, nine hundred forty thousand, one hundred sixty-two".