20449096 has 32 divisors (see below), whose sum is σ = 41378040. Its totient is φ = 9438208.

The previous prime is 20449069. The next prime is 20449097. The reversal of 20449096 is 69094402.

It can be written as a sum of positive squares in 4 ways, for example, as 16892100 + 3556996 = 4110^2 + 1886^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20449097) 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, 5790 + ... + 8626.

Almost surely, 2^20449096 is an apocalyptic number.

It is an amenable number.

20449096 is an abundant number, since it is smaller than the sum of its proper divisors (20928944).

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

20449096 is a wasteful number, since it uses less digits than its factorization.

20449096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2913 (or 2909 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 20449096 is about 4522.0676686666. The cubic root of 20449096 is about 273.4584647501.

The spelling of 20449096 in words is "twenty million, four hundred forty-nine thousand, ninety-six".