20023201110 has 256 divisors, whose sum is σ = 56733696000. Its totient is φ = 4471326720.

The previous prime is 20023201109. The next prime is 20023201111. The reversal of 20023201110 is 1110232002.

It is an interprime number because it is at equal distance from previous prime (20023201109) and next prime (20023201111).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20023201111) 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 127 ways as a sum of consecutive naturals, for example, 41801851 + ... + 41802329.

It is an arithmetic number, because the mean of its divisors is an integer number (221616000).

Almost surely, 2^20023201110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20023201110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28366848000).

20023201110 is an abundant number, since it is smaller than the sum of its proper divisors (36710494890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20023201110 is a wasteful number, since it uses less digits than its factorization.

20023201110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 20023201110 its reverse (1110232002), we get a palindrome (21133433112).

The spelling of 20023201110 in words is "twenty billion, twenty-three million, two hundred one thousand, one hundred ten".