20914369 has 16 divisors (see below), whose sum is σ = 25474176. Its totient is φ = 16761600.

The previous prime is 20914363. The next prime is 20914391. The reversal of 20914369 is 96341902.

It is a cyclic number.

It is not a de Polignac number, because 20914369 - 2⁹ = 20913857 is a prime.

It is a super-2 number, since 2×20914369² = 874821661336322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20914363) 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 15 ways as a sum of consecutive naturals, for example, 21054 + ... + 22024.

It is an arithmetic number, because the mean of its divisors is an integer number (1592136).

Almost surely, 2^20914369 is an apocalyptic number.

It is an amenable number.

20914369 is a deficient number, since it is larger than the sum of its proper divisors (4559807).

20914369 is a wasteful number, since it uses less digits than its factorization.

20914369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1176.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 20914369 is about 4573.2230428878. The cubic root of 20914369 is about 275.5169076682.

The spelling of 20914369 in words is "twenty million, nine hundred fourteen thousand, three hundred sixty-nine".