20922014 has 4 divisors (see below), whose sum is σ = 31383024. Its totient is φ = 10461006.

The previous prime is 20921987. The next prime is 20922017. The reversal of 20922014 is 41022902.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20922017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5230502 + ... + 5230505.

It is an arithmetic number, because the mean of its divisors is an integer number (7845756).

Almost surely, 2^20922014 is an apocalyptic number.

20922014 is a deficient number, since it is larger than the sum of its proper divisors (10461010).

20922014 is a wasteful number, since it uses less digits than its factorization.

20922014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10461009.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 20922014 is about 4574.0588102909. The cubic root of 20922014 is about 275.5504742265.

Adding to 20922014 its reverse (41022902), we get a palindrome (61944916).

The spelling of 20922014 in words is "twenty million, nine hundred twenty-two thousand, fourteen".