20703874 has 8 divisors (see below), whose sum is σ = 31376268. Its totient is φ = 10245120.

The previous prime is 20703847. The next prime is 20703913. The reversal of 20703874 is 47830702.

It can be written as a sum of positive squares in 2 ways, for example, as 20638849 + 65025 = 4543^2 + 255^2 .

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

It is an unprimeable number.

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, 53167 + ... + 53554.

Almost surely, 2^20703874 is an apocalyptic number.

20703874 is a deficient number, since it is larger than the sum of its proper divisors (10672394).

20703874 is a wasteful number, since it uses less digits than its factorization.

20703874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106820.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 20703874 is about 4550.1509865058. The cubic root of 20703874 is about 274.5894656749.

The spelling of 20703874 in words is "twenty million, seven hundred three thousand, eight hundred seventy-four".