20706063 has 16 divisors (see below), whose sum is σ = 31708416. Its totient is φ = 11773440.

The previous prime is 20706061. The next prime is 20706071. The reversal of 20706063 is 36060702.

It is not a de Polignac number, because 20706063 - 2¹ = 20706061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20706061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2095 + ... + 6767.

It is an arithmetic number, because the mean of its divisors is an integer number (1981776).

Almost surely, 2^20706063 is an apocalyptic number.

20706063 is a deficient number, since it is larger than the sum of its proper divisors (11002353).

20706063 is a wasteful number, since it uses less digits than its factorization.

20706063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4894.

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 20706063 is about 4550.3915216166. The cubic root of 20706063 is about 274.5991426908.

Adding to 20706063 its reverse (36060702), we get a palindrome (56766765).

The spelling of 20706063 in words is "twenty million, seven hundred six thousand, sixty-three".