20452796 has 72 divisors (see below), whose sum is σ = 46922400. Its totient is φ = 7717248.

The previous prime is 20452781. The next prime is 20452811. The reversal of 20452796 is 69725402.

It is an interprime number because it is at equal distance from previous prime (20452781) and next prime (20452811).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58430 + ... + 58778.

It is an arithmetic number, because the mean of its divisors is an integer number (651700).

Almost surely, 2^20452796 is an apocalyptic number.

20452796 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20452796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23461200).

20452796 is an abundant number, since it is smaller than the sum of its proper divisors (26469604).

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

20452796 is a wasteful number, since it uses less digits than its factorization.

20452796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403 (or 394 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 20452796 is about 4522.4767550536. The cubic root of 20452796 is about 273.4749566821.

The spelling of 20452796 in words is "twenty million, four hundred fifty-two thousand, seven hundred ninety-six".