20001110111010 has 96 divisors (see below), whose sum is σ = 59490195672960. Its totient is φ = 4567195724544.

The previous prime is 20001110110997. The next prime is 20001110111023. The reversal of 20001110111010 is 1011101110002.

It is an interprime number because it is at equal distance from previous prime (20001110110997) and next prime (20001110111023).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 20001110110983 and 20001110111001.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14935947 + ... + 16219886.

It is an arithmetic number, because the mean of its divisors is an integer number (619689538260).

Almost surely, 2^{20001110111010} is an apocalyptic number.

20001110111010 is an abundant number, since it is smaller than the sum of its proper divisors (39489085561950).

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

20001110111010 is a wasteful number, since it uses less digits than its factorization.

20001110111010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31156872 (or 31156869 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 20001110111010 its reverse (1011101110002), we get a palindrome (21012211221012).

It can be divided in two parts, 20001 and 110111010, that added together give a palindrome (110131011).

The spelling of 20001110111010 in words is "twenty trillion, one billion, one hundred ten million, one hundred eleven thousand, ten".