20039360 has 56 divisors (see below), whose sum is σ = 52065936. Its totient is φ = 7285760.

The previous prime is 20039359. The next prime is 20039363. The reversal of 20039360 is 6393002.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20039363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 674 + ... + 6366.

Almost surely, 2^20039360 is an apocalyptic number.

20039360 is a gapful number since it is divisible by the number (20) 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 20039360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26032968).

20039360 is an abundant number, since it is smaller than the sum of its proper divisors (32026576).

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

20039360 is a wasteful number, since it uses less digits than its factorization.

20039360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5721 (or 5711 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 20039360 is about 4476.5343738209. The cubic root of 20039360 is about 271.6197107715.

The spelling of 20039360 in words is "twenty million, thirty-nine thousand, three hundred sixty".