20126299 has 8 divisors (see below), whose sum is σ = 20487168. Its totient is φ = 19767720.

The previous prime is 20126297. The next prime is 20126321. The reversal of 20126299 is 99262102.

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

It is a cyclic number.

It is not a de Polignac number, because 20126299 - 2¹ = 20126297 is a prime.

It is a super-2 number, since 2×20126299² = 810135822874802, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20126299.

It is not an unprimeable number, because it can be changed into a prime (20126291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32854 + ... + 33460.

It is an arithmetic number, because the mean of its divisors is an integer number (2560896).

Almost surely, 2^20126299 is an apocalyptic number.

20126299 is a deficient number, since it is larger than the sum of its proper divisors (360869).

20126299 is an equidigital number, since it uses as much as digits as its factorization.

20126299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1145.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 20126299 is about 4486.2343897750. The cubic root of 20126299 is about 272.0119434995.

The spelling of 20126299 in words is "twenty million, one hundred twenty-six thousand, two hundred ninety-nine".