20026496 has 96 divisors (see below), whose sum is σ = 48372480. Its totient is φ = 8225280.

The previous prime is 20026481. The next prime is 20026499. The reversal of 20026496 is 69462002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20026499) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 194381 + ... + 194483.

It is an arithmetic number, because the mean of its divisors is an integer number (503880).

Almost surely, 2^20026496 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 20026496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24186240).

20026496 is an abundant number, since it is smaller than the sum of its proper divisors (28345984).

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

20026496 is a wasteful number, since it uses less digits than its factorization.

20026496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162 (or 143 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 20026496 is about 4475.0973173776. The cubic root of 20026496 is about 271.5615774464.

Adding to 20026496 its reverse (69462002), we get a palindrome (89488498).

The spelling of 20026496 in words is "twenty million, twenty-six thousand, four hundred ninety-six".