20027496 has 64 divisors (see below), whose sum is σ = 53498880. Its totient is φ = 6225920.

The previous prime is 20027461. The next prime is 20027507. The reversal of 20027496 is 69472002.

It is a happy number.

It is a super-2 number, since 2×20027496² = 802201192060032, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77800 + ... + 78056.

It is an arithmetic number, because the mean of its divisors is an integer number (835920).

Almost surely, 2^20027496 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 20027496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26749440).

20027496 is an abundant number, since it is smaller than the sum of its proper divisors (33471384).

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

20027496 is a wasteful number, since it uses less digits than its factorization.

20027496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474 (or 470 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 20027496 is about 4475.2090453967. The cubic root of 20027496 is about 271.5660974093.

Adding to 20027496 its reverse (69472002), we get a palindrome (89499498).

The spelling of 20027496 in words is "twenty million, twenty-seven thousand, four hundred ninety-six".