20672683 has 2 divisors, whose sum is σ = 20672684. Its totient is φ = 20672682.

The previous prime is 20672681. The next prime is 20672747. The reversal of 20672683 is 38627602.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20672683 - 2¹ = 20672681 is a prime.

Together with 20672681, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (20672681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10336341 + 10336342.

It is an arithmetic number, because the mean of its divisors is an integer number (10336342).

Almost surely, 2^20672683 is an apocalyptic number.

20672683 is a deficient number, since it is larger than the sum of its proper divisors (1).

20672683 is an equidigital number, since it uses as much as digits as its factorization.

20672683 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 20672683 is about 4546.7222259557. The cubic root of 20672683 is about 274.4515039802.

The spelling of 20672683 in words is "twenty million, six hundred seventy-two thousand, six hundred eighty-three".