20626056 has 64 divisors (see below), whose sum is σ = 62510400. Its totient is φ = 6249600.

The previous prime is 20626051. The next prime is 20626061. The reversal of 20626056 is 65062602.

It is an interprime number because it is at equal distance from previous prime (20626051) and next prime (20626061).

It is a super-2 number, since 2×20626056² = 850868372230272, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (20626051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1965 + ... + 6716.

It is an arithmetic number, because the mean of its divisors is an integer number (976725).

Almost surely, 2^20626056 is an apocalyptic number.

It is an amenable number.

20626056 is an abundant number, since it is smaller than the sum of its proper divisors (41884344).

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

20626056 is a wasteful number, since it uses less digits than its factorization.

20626056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8707 (or 8697 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 20626056 is about 4541.5917914317. The cubic root of 20626056 is about 274.2450079100.

Adding to 20626056 its reverse (65062602), we get a palindrome (85688658).

It can be divided in two parts, 2062 and 6056, that added together give a palindrome (8118).

The spelling of 20626056 in words is "twenty million, six hundred twenty-six thousand, fifty-six".