20099248 has 40 divisors (see below), whose sum is σ = 42559776. Its totient is φ = 9139200.

The previous prime is 20099231. The next prime is 20099267. The reversal of 20099248 is 84299002.

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, 14088 + ... + 15448.

Almost surely, 2^20099248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20099248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21279888).

20099248 is an abundant number, since it is smaller than the sum of its proper divisors (22460528).

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

20099248 is a wasteful number, since it uses less digits than its factorization.

20099248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1453 (or 1447 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 20099248 is about 4483.2184867570. The cubic root of 20099248 is about 271.8900218590.

The spelling of 20099248 in words is "twenty million, ninety-nine thousand, two hundred forty-eight".