20201101323 has 16 divisors (see below), whose sum is σ = 29017022496. Its totient is φ = 12427027200.

The previous prime is 20201101313. The next prime is 20201101337. The reversal of 20201101323 is 32310110202.

It is not a de Polignac number, because 20201101323 - 2⁹ = 20201100811 is a prime.

It is a super-2 number, since 2×20201101323² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20201101313) 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, 20773 + ... + 202073.

It is an arithmetic number, because the mean of its divisors is an integer number (1813563906).

Almost surely, 2^20201101323 is an apocalyptic number.

20201101323 is a deficient number, since it is larger than the sum of its proper divisors (8815921173).

20201101323 is a wasteful number, since it uses less digits than its factorization.

20201101323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184174.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20201101323 its reverse (32310110202), we get a palindrome (52511211525).

The spelling of 20201101323 in words is "twenty billion, two hundred one million, one hundred one thousand, three hundred twenty-three".