20092258 has 8 divisors (see below), whose sum is σ = 30953052. Its totient is φ = 9774576.

The previous prime is 20092201. The next prime is 20092339. The reversal of 20092258 is 85229002.

It can be written as a sum of positive squares in 2 ways, for example, as 19918369 + 173889 = 4463^2 + 417^2 .

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

It is a super-3 number, since 3×20092258³ (a number of 23 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135685 + ... + 135832.

Almost surely, 2^20092258 is an apocalyptic number.

20092258 is a deficient number, since it is larger than the sum of its proper divisors (10860794).

20092258 is a wasteful number, since it uses less digits than its factorization.

20092258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271556.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 20092258 is about 4482.4388450931. The cubic root of 20092258 is about 271.8584994258.

The spelling of 20092258 in words is "twenty million, ninety-two thousand, two hundred fifty-eight".