20673914 has 4 divisors (see below), whose sum is σ = 31010874. Its totient is φ = 10336956.

The previous prime is 20673907. The next prime is 20673943. The reversal of 20673914 is 41937602.

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

It can be written as a sum of positive squares in only one way, i.e., 16605625 + 4068289 = 4075^2 + 2017^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5168477 + ... + 5168480.

Almost surely, 2^20673914 is an apocalyptic number.

20673914 is a deficient number, since it is larger than the sum of its proper divisors (10336960).

20673914 is a wasteful number, since it uses less digits than its factorization.

20673914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10336959.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 20673914 is about 4546.8575961866. The cubic root of 20673914 is about 274.4569514766.

The spelling of 20673914 in words is "twenty million, six hundred seventy-three thousand, nine hundred fourteen".