20634302211 has 8 divisors (see below), whose sum is σ = 29130779664. Its totient is φ = 12947013120.

The previous prime is 20634302207. The next prime is 20634302231. The reversal of 20634302211 is 11220343602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20634302211 - 2² = 20634302207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20634302201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202297030 + ... + 202297131.

It is an arithmetic number, because the mean of its divisors is an integer number (3641347458).

Almost surely, 2^20634302211 is an apocalyptic number.

20634302211 is a deficient number, since it is larger than the sum of its proper divisors (8496477453).

20634302211 is a wasteful number, since it uses less digits than its factorization.

20634302211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404594181.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 20634302211 its reverse (11220343602), we get a palindrome (31854645813).

The spelling of 20634302211 in words is "twenty billion, six hundred thirty-four million, three hundred two thousand, two hundred eleven".