20000020111110 has 96 divisors (see below), whose sum is σ = 57302383346208. Its totient is φ = 4808591585280.

The previous prime is 20000020111087. The next prime is 20000020111111. The reversal of 20000020111110 is 1111102000002.

It is a happy number.

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 = 20000020111092 and 20000020111101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20000020111111) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 198717531 + ... + 198818150.

It is an arithmetic number, because the mean of its divisors is an integer number (596899826523).

Almost surely, 2^{20000020111110} is an apocalyptic number.

20000020111110 is an abundant number, since it is smaller than the sum of its proper divisors (37302363235098).

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

20000020111110 is a wasteful number, since it uses less digits than its factorization.

20000020111110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397535750 (or 397535747 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 20000020111110 its reverse (1111102000002), we get a palindrome (21111122111112).

The spelling of 20000020111110 in words is "twenty trillion, twenty million, one hundred eleven thousand, one hundred ten".