20248064 has 40 divisors (see below), whose sum is σ = 41100048. Its totient is φ = 9963520.

The previous prime is 20248031. The next prime is 20248069. The reversal of 20248064 is 46084202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20248069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36074 + ... + 36630.

Almost surely, 2^20248064 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 20248064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20550024).

20248064 is an abundant number, since it is smaller than the sum of its proper divisors (20851984).

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

20248064 is an frugal number, since it uses more digits than its factorization.

20248064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646 (or 630 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 20248064 is about 4499.7848837472. The cubic root of 20248064 is about 272.5594023629.

The spelling of 20248064 in words is "twenty million, two hundred forty-eight thousand, sixty-four".