20200768 has 56 divisors (see below), whose sum is σ = 46565312. Its totient is φ = 8515584.

The previous prime is 20200759. The next prime is 20200769. The reversal of 20200768 is 86700202.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20200769) 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, 29680 + ... + 30352.

Almost surely, 2^20200768 is an apocalyptic number.

20200768 is a gapful number since it is divisible by the number (28) 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 20200768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23282656).

20200768 is an abundant number, since it is smaller than the sum of its proper divisors (26364544).

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

20200768 is an equidigital number, since it uses as much as digits as its factorization.

20200768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759 (or 749 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 20200768 is about 4494.5264489154. The cubic root of 20200768 is about 272.3470195960.

The spelling of 20200768 in words is "twenty million, two hundred thousand, seven hundred sixty-eight".