20099448 has 32 divisors (see below), whose sum is σ = 55832400. Its totient is φ = 6699744.

The previous prime is 20099437. The next prime is 20099477. The reversal of 20099448 is 84499002.

It is a happy number.

20099448 is a `hidden beast` number, since 200 + 9 + 9 + 448 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46311 + ... + 46742.

Almost surely, 2^20099448 is an apocalyptic number.

It is an amenable number.

20099448 is an abundant number, since it is smaller than the sum of its proper divisors (35732952).

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

20099448 is a wasteful number, since it uses less digits than its factorization.

20099448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93068 (or 93058 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 20099448 is about 4483.2407921056. The cubic root of 20099448 is about 271.8909236809.

The spelling of 20099448 in words is "twenty million, ninety-nine thousand, four hundred forty-eight".