20323321101 has 48 divisors (see below), whose sum is σ = 31316725440. Its totient is φ = 12663993600.

The previous prime is 20323321097. The next prime is 20323321121. The reversal of 20323321101 is 10112332302.

20323321101 is a `hidden beast` number, since 20 + 323 + 321 + 1 + 0 + 1 = 666.

It is not a de Polignac number, because 20323321101 - 2² = 20323321097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20323321121) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5300281 + ... + 5304113.

It is an arithmetic number, because the mean of its divisors is an integer number (652431780).

Almost surely, 2^20323321101 is an apocalyptic number.

It is an amenable number.

20323321101 is a deficient number, since it is larger than the sum of its proper divisors (10993404339).

20323321101 is a wasteful number, since it uses less digits than its factorization.

20323321101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4266 (or 4263 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 20323321101 its reverse (10112332302), we get a palindrome (30435653403).

The spelling of 20323321101 in words is "twenty billion, three hundred twenty-three million, three hundred twenty-one thousand, one hundred one".