20034663 has 16 divisors (see below), whose sum is σ = 29434752. Its totient is φ = 12020000.

The previous prime is 20034647. The next prime is 20034673. The reversal of 20034663 is 36643002.

It is a cyclic number.

It is not a de Polignac number, because 20034663 - 2⁴ = 20034647 is a prime.

It is a super-4 number, since 4×20034663⁴ (a number of 30 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20034673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 328 + ... + 6338.

It is an arithmetic number, because the mean of its divisors is an integer number (1839672).

Almost surely, 2^20034663 is an apocalyptic number.

20034663 is a deficient number, since it is larger than the sum of its proper divisors (9400089).

20034663 is a wasteful number, since it uses less digits than its factorization.

20034663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6126.

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 20034663 is about 4476.0097184881. The cubic root of 20034663 is about 271.5984875809.

Adding to 20034663 its reverse (36643002), we get a palindrome (56677665).

It can be divided in two parts, 2003 and 4663, that added together give a palindrome (6666).

The spelling of 20034663 in words is "twenty million, thirty-four thousand, six hundred sixty-three".