20348914 has 4 divisors (see below), whose sum is σ = 30523374. Its totient is φ = 10174456.

The previous prime is 20348903. The next prime is 20348921. The reversal of 20348914 is 41984302.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41984302 = 2 ⋅20992151.

It can be written as a sum of positive squares in only one way, i.e., 11675889 + 8673025 = 3417^2 + 2945^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

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, 5087227 + ... + 5087230.

Almost surely, 2^20348914 is an apocalyptic number.

20348914 is a deficient number, since it is larger than the sum of its proper divisors (10174460).

20348914 is a wasteful number, since it uses less digits than its factorization.

20348914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10174459.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 20348914 is about 4510.9770560268. The cubic root of 20348914 is about 273.0111674554.

The spelling of 20348914 in words is "twenty million, three hundred forty-eight thousand, nine hundred fourteen".