20126793 has 8 divisors (see below), whose sum is σ = 28414368. Its totient is φ = 12628544.

The previous prime is 20126761. The next prime is 20126801. The reversal of 20126793 is 39762102.

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 20126793 - 2⁵ = 20126761 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20126793.

It is not an unprimeable number, because it can be changed into a prime (20126713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197271 + ... + 197372.

It is an arithmetic number, because the mean of its divisors is an integer number (3551796).

Almost surely, 2^20126793 is an apocalyptic number.

It is an amenable number.

20126793 is a deficient number, since it is larger than the sum of its proper divisors (8287575).

20126793 is a wasteful number, since it uses less digits than its factorization.

20126793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394663.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 20126793 is about 4486.2894467477. The cubic root of 20126793 is about 272.0141689923.

Adding to 20126793 its reverse (39762102), we get a palindrome (59888895).

The spelling of 20126793 in words is "twenty million, one hundred twenty-six thousand, seven hundred ninety-three".