20734922 has 8 divisors (see below), whose sum is σ = 33494916. Its totient is φ = 9569952.

The previous prime is 20734921. The next prime is 20734933. The reversal of 20734922 is 22943702.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19811401 + 923521 = 4451^2 + 961^2 .

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

It is not an unprimeable number, because it can be changed into a prime (20734921) 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 3 ways as a sum of consecutive naturals, for example, 398723 + ... + 398774.

Almost surely, 2^20734922 is an apocalyptic number.

20734922 is a deficient number, since it is larger than the sum of its proper divisors (12759994).

20734922 is a wasteful number, since it uses less digits than its factorization.

20734922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797512.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 20734922 is about 4553.5614632944. The cubic root of 20734922 is about 274.7266573203.

The spelling of 20734922 in words is "twenty million, seven hundred thirty-four thousand, nine hundred twenty-two".