20228134 has 8 divisors (see below), whose sum is σ = 30446640. Its totient is φ = 10079256.

The previous prime is 20228101. The next prime is 20228161. The reversal of 20228134 is 43182202.

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

It is a congruent number.

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, 16674 + ... + 17845.

It is an arithmetic number, because the mean of its divisors is an integer number (3805830).

Almost surely, 2^20228134 is an apocalyptic number.

20228134 is a deficient number, since it is larger than the sum of its proper divisors (10218506).

20228134 is a wasteful number, since it uses less digits than its factorization.

20228134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34814.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 20228134 is about 4497.5697882301. The cubic root of 20228134 is about 272.4699470266.

The spelling of 20228134 in words is "twenty million, two hundred twenty-eight thousand, one hundred thirty-four".