20099733 has 8 divisors (see below), whose sum is σ = 27139200. Its totient is φ = 13230048.

The previous prime is 20099719. The next prime is 20099743. The reversal of 20099733 is 33799002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20099733 - 2⁸ = 20099477 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20099694 and 20099703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20099743) 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, 42168 + ... + 42641.

It is an arithmetic number, because the mean of its divisors is an integer number (3392400).

Almost surely, 2^20099733 is an apocalyptic number.

It is an amenable number.

20099733 is a deficient number, since it is larger than the sum of its proper divisors (7039467).

20099733 is an equidigital number, since it uses as much as digits as its factorization.

20099733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84891.

The product of its (nonzero) digits is 10206, while the sum is 33.

The square root of 20099733 is about 4483.2725770357. The cubic root of 20099733 is about 271.8922087667.

The spelling of 20099733 in words is "twenty million, ninety-nine thousand, seven hundred thirty-three".