20323211102 has 64 divisors (see below), whose sum is σ = 34237209600. Its totient is φ = 8998387200.

The previous prime is 20323211101. The next prime is 20323211137. The reversal of 20323211102 is 20111232302.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20323211101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12870149 + ... + 12871727.

It is an arithmetic number, because the mean of its divisors is an integer number (534956400).

Almost surely, 2^20323211102 is an apocalyptic number.

20323211102 is a deficient number, since it is larger than the sum of its proper divisors (13913998498).

20323211102 is a wasteful number, since it uses less digits than its factorization.

20323211102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1881.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20323211102 its reverse (20111232302), we get a palindrome (40434443404).

The spelling of 20323211102 in words is "twenty billion, three hundred twenty-three million, two hundred eleven thousand, one hundred two".