20670683 has 8 divisors (see below), whose sum is σ = 23100336. Its totient is φ = 18332800.

The previous prime is 20670673. The next prime is 20670701. The reversal of 20670683 is 38607602.

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

It is a cyclic number.

It is not a de Polignac number, because 20670683 - 2⁴ = 20670667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20670653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22466 + ... + 23367.

It is an arithmetic number, because the mean of its divisors is an integer number (2887542).

Almost surely, 2^20670683 is an apocalyptic number.

20670683 is a deficient number, since it is larger than the sum of its proper divisors (2429653).

20670683 is a wasteful number, since it uses less digits than its factorization.

20670683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45885.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 20670683 is about 4546.5022819746. The cubic root of 20670683 is about 274.4426529970.

The spelling of 20670683 in words is "twenty million, six hundred seventy thousand, six hundred eighty-three".