20386793 has 12 divisors (see below), whose sum is σ = 23789520. Its totient is φ = 17419752.

The previous prime is 20386787. The next prime is 20386813. The reversal of 20386793 is 39768302.

It is not a de Polignac number, because 20386793 - 2¹⁰ = 20385769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20386733) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27218 + ... + 27956.

It is an arithmetic number, because the mean of its divisors is an integer number (1982460).

Almost surely, 2^20386793 is an apocalyptic number.

It is an amenable number.

20386793 is a deficient number, since it is larger than the sum of its proper divisors (3402727).

20386793 is an equidigital number, since it uses as much as digits as its factorization.

20386793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1316 (or 1309 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 20386793 is about 4515.1736400719. The cubic root of 20386793 is about 273.1804636300.

The spelling of 20386793 in words is "twenty million, three hundred eighty-six thousand, seven hundred ninety-three".