20630083 has 2 divisors, whose sum is σ = 20630084. Its totient is φ = 20630082.

The previous prime is 20630069. The next prime is 20630087. The reversal of 20630083 is 38003602.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20630083 - 2¹³ = 20621891 is a prime.

It is not a weakly prime, because it can be changed into another prime (20630087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10315041 + 10315042.

It is an arithmetic number, because the mean of its divisors is an integer number (10315042).

Almost surely, 2^20630083 is an apocalyptic number.

20630083 is a deficient number, since it is larger than the sum of its proper divisors (1).

20630083 is an equidigital number, since it uses as much as digits as its factorization.

20630083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 20630083 is about 4542.0351165529. The cubic root of 20630083 is about 274.2628544756.

Adding to 20630083 its reverse (38003602), we get a palindrome (58633685).

The spelling of 20630083 in words is "twenty million, six hundred thirty thousand, eighty-three".