20626496 has 56 divisors (see below), whose sum is σ = 45317664. Its totient is φ = 9236480.

The previous prime is 20626493. The next prime is 20626513. The reversal of 20626496 is 69462602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20626493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58256 + ... + 58608.

It is an arithmetic number, because the mean of its divisors is an integer number (809244).

Almost surely, 2^20626496 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 20626496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22658832).

20626496 is an abundant number, since it is smaller than the sum of its proper divisors (24691168).

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

20626496 is a wasteful number, since it uses less digits than its factorization.

20626496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459 (or 449 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 20626496 is about 4541.6402323390. The cubic root of 20626496 is about 274.2469579830.

It can be divided in two parts, 2062 and 6496, that added together give a palindrome (8558).

The spelling of 20626496 in words is "twenty million, six hundred twenty-six thousand, four hundred ninety-six".