20199496 has 8 divisors (see below), whose sum is σ = 37874070. Its totient is φ = 10099744.

The previous prime is 20199493. The next prime is 20199503. The reversal of 20199496 is 69499102.

It can be written as a sum of positive squares in only one way, i.e., 10150596 + 10048900 = 3186^2 + 3170^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (20199493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1262461 + ... + 1262476.

Almost surely, 2^20199496 is an apocalyptic number.

It is an amenable number.

20199496 is a deficient number, since it is larger than the sum of its proper divisors (17674574).

20199496 is a wasteful number, since it uses less digits than its factorization.

20199496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2524943 (or 2524939 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 20199496 is about 4494.3849412350. The cubic root of 20199496 is about 272.3413031024.

The spelling of 20199496 in words is "twenty million, one hundred ninety-nine thousand, four hundred ninety-six".