20000748 has 12 divisors (see below), whose sum is σ = 46668440. Its totient is φ = 6666912.

The previous prime is 20000723. The next prime is 20000753. The reversal of 20000748 is 84700002.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 833353 + ... + 833376.

Almost surely, 2^20000748 is an apocalyptic number.

It is an amenable number.

20000748 is an abundant number, since it is smaller than the sum of its proper divisors (26667692).

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

20000748 is a wasteful number, since it uses less digits than its factorization.

20000748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1666736 (or 1666734 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 20000748 is about 4472.2195831600. The cubic root of 20000748 is about 271.4451455913.

The spelling of 20000748 in words is "twenty million, seven hundred forty-eight", and thus it is an aban number.