20627136 has 140 divisors (see below), whose sum is σ = 64172592. Its totient is φ = 6538752.

The previous prime is 20627111. The next prime is 20627153. The reversal of 20627136 is 63172602.

It is a happy number.

20627136 is a `hidden beast` number, since 2 + 0 + 627 + 1 + 36 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 119146 + ... + 119318.

Almost surely, 2^20627136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20627136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32086296).

20627136 is an abundant number, since it is smaller than the sum of its proper divisors (43545456).

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

20627136 is a wasteful number, since it uses less digits than its factorization.

20627136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220 (or 201 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 20627136 is about 4541.7106909181. The cubic root of 20627136 is about 274.2497944034.

Adding to 20627136 its reverse (63172602), we get a palindrome (83799738).

The spelling of 20627136 in words is "twenty million, six hundred twenty-seven thousand, one hundred thirty-six".