20630211223 has 8 divisors (see below), whose sum is σ = 20982240000. Its totient is φ = 20278261368.

The previous prime is 20630211211. The next prime is 20630211289. The reversal of 20630211223 is 32211203602.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20630211223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20630211194 and 20630211203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20630215223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 783490 + ... + 809392.

It is an arithmetic number, because the mean of its divisors is an integer number (2622780000).

Almost surely, 2^20630211223 is an apocalyptic number.

20630211223 is a deficient number, since it is larger than the sum of its proper divisors (352028777).

20630211223 is a wasteful number, since it uses less digits than its factorization.

20630211223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39461.

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

Adding to 20630211223 its reverse (32211203602), we get a palindrome (52841414825).

The spelling of 20630211223 in words is "twenty billion, six hundred thirty million, two hundred eleven thousand, two hundred twenty-three".