20702083 has 2 divisors, whose sum is σ = 20702084. Its totient is φ = 20702082.

The previous prime is 20702081. The next prime is 20702111. The reversal of 20702083 is 38020702.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20702083 - 2¹ = 20702081 is a prime.

Together with 20702081, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (20702081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10351041 + 10351042.

It is an arithmetic number, because the mean of its divisors is an integer number (10351042).

Almost surely, 2^20702083 is an apocalyptic number.

20702083 is a deficient number, since it is larger than the sum of its proper divisors (1).

20702083 is an equidigital number, since it uses as much as digits as its factorization.

20702083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 20702083 is about 4549.9541755934. The cubic root of 20702083 is about 274.5815476090.

Adding to 20702083 its reverse (38020702), we get a palindrome (58722785).

The spelling of 20702083 in words is "twenty million, seven hundred two thousand, eighty-three".