20012201110 has 16 divisors (see below), whose sum is σ = 39296686032. Its totient is φ = 7277164000.

The previous prime is 20012201081. The next prime is 20012201113. The reversal of 20012201110 is 1110221002.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20012201113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90964441 + ... + 90964660.

It is an arithmetic number, because the mean of its divisors is an integer number (2456042877).

Almost surely, 2^20012201110 is an apocalyptic number.

20012201110 is a deficient number, since it is larger than the sum of its proper divisors (19284484922).

20012201110 is a wasteful number, since it uses less digits than its factorization.

20012201110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181929119.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20012201110 its reverse (1110221002), we get a palindrome (21122422112).

It can be divided in two parts, 20012 and 201110, that added together give a palindrome (221122).

The spelling of 20012201110 in words is "twenty billion, twelve million, two hundred one thousand, one hundred ten".