20027896 has 32 divisors (see below), whose sum is σ = 43354080. Its totient is φ = 8496000.

The previous prime is 20027879. The next prime is 20027897. The reversal of 20027896 is 69872002.

It is a super-2 number, since 2×20027896² = 802233236373632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20027897) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3886 + ... + 7426.

It is an arithmetic number, because the mean of its divisors is an integer number (1354815).

Almost surely, 2^20027896 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 20027896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21677040).

20027896 is an abundant number, since it is smaller than the sum of its proper divisors (23326184).

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

20027896 is a wasteful number, since it uses less digits than its factorization.

20027896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3655 (or 3651 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 20027896 is about 4475.2537358233. The cubic root of 20027896 is about 271.5679053523.

Adding to 20027896 its reverse (69872002), we get a palindrome (89899898).

The spelling of 20027896 in words is "twenty million, twenty-seven thousand, eight hundred ninety-six".