20674065 has 8 divisors (see below), whose sum is σ = 33078528. Its totient is φ = 11026160.

The previous prime is 20674061. The next prime is 20674067. The reversal of 20674065 is 56047602.

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

It is not a de Polignac number, because 20674065 - 2² = 20674061 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20674061) 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 7 ways as a sum of consecutive naturals, for example, 689121 + ... + 689150.

It is an arithmetic number, because the mean of its divisors is an integer number (4134816).

Almost surely, 2^20674065 is an apocalyptic number.

It is an amenable number.

20674065 is a deficient number, since it is larger than the sum of its proper divisors (12404463).

20674065 is a wasteful number, since it uses less digits than its factorization.

20674065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378279.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 20674065 is about 4546.8742010309. The cubic root of 20674065 is about 274.4576196761.

The spelling of 20674065 in words is "twenty million, six hundred seventy-four thousand, sixty-five".