20201101110 has 40 divisors (see below), whose sum is σ = 54318518496. Its totient is φ = 5386960080.

The previous prime is 20201101091. The next prime is 20201101117. The reversal of 20201101110 is 1110110202.

It is a happy number.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20201101092 and 20201101101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20201101117) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12469006 + ... + 12470625.

Almost surely, 2^20201101110 is an apocalyptic number.

20201101110 is an abundant number, since it is smaller than the sum of its proper divisors (34117417386).

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

20201101110 is a wasteful number, since it uses less digits than its factorization.

20201101110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24939650 (or 24939641 counting only the distinct ones).

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

Adding to 20201101110 its reverse (1110110202), we get a palindrome (21311211312).

The spelling of 20201101110 in words is "twenty billion, two hundred one million, one hundred one thousand, one hundred ten".