20001248 has 24 divisors (see below), whose sum is σ = 41694912. Its totient is φ = 9412096.

The previous prime is 20001239. The next prime is 20001253. The reversal of 20001248 is 84210002.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

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, 17840 + ... + 18927.

It is an arithmetic number, because the mean of its divisors is an integer number (1737288).

Almost surely, 2^20001248 is an apocalyptic number.

It is an amenable number.

20001248 is an abundant number, since it is smaller than the sum of its proper divisors (21693664).

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

20001248 is a wasteful number, since it uses less digits than its factorization.

20001248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36794 (or 36786 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 20001248 is about 4472.2754834648. The cubic root of 20001248 is about 271.4474075307.

The spelling of 20001248 in words is "twenty million, one thousand, two hundred forty-eight".