205492992 has 36 divisors (see below), whose sum is σ = 546913080. Its totient is φ = 68497408.

The previous prime is 205492979. The next prime is 205492993. The reversal of 205492992 is 299294502.

It is a super-2 number, since 2×205492992² = 84454739522224128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (205492993) 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, 133017 + ... + 134552.

It is an arithmetic number, because the mean of its divisors is an integer number (15192030).

Almost surely, 2^205492992 is an apocalyptic number.

It is an amenable number.

205492992 is an abundant number, since it is smaller than the sum of its proper divisors (341420088).

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

205492992 is an equidigital number, since it uses as much as digits as its factorization.

205492992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267588 (or 267574 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 205492992 is about 14335.0267526782. The cubic root of 205492992 is about 590.1091361838.

The spelling of 205492992 in words is "two hundred five million, four hundred ninety-two thousand, nine hundred ninety-two".