20227258 has 8 divisors (see below), whose sum is σ = 31660128. Its totient is φ = 9673884.

The previous prime is 20227247. The next prime is 20227279. The reversal of 20227258 is 85272202.

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

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, 219816 + ... + 219907.

It is an arithmetic number, because the mean of its divisors is an integer number (3957516).

Almost surely, 2^20227258 is an apocalyptic number.

20227258 is a deficient number, since it is larger than the sum of its proper divisors (11432870).

20227258 is a wasteful number, since it uses less digits than its factorization.

20227258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439748.

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 20227258 is about 4497.4724012494. The cubic root of 20227258 is about 272.4660137734.

The spelling of 20227258 in words is "twenty million, two hundred twenty-seven thousand, two hundred fifty-eight".