20627238 has 8 divisors (see below), whose sum is σ = 41254488. Its totient is φ = 6875744.

The previous prime is 20627237. The next prime is 20627249. The reversal of 20627238 is 83272602.

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

20627238 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20627237) 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, 1718931 + ... + 1718942.

It is an arithmetic number, because the mean of its divisors is an integer number (5156811).

Almost surely, 2^20627238 is an apocalyptic number.

20627238 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20627238 is a wasteful number, since it uses less digits than its factorization.

20627238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3437878.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 20627238 is about 4541.7219201532. The cubic root of 20627238 is about 274.2502464524.

The spelling of 20627238 in words is "twenty million, six hundred twenty-seven thousand, two hundred thirty-eight".