20201102110 has 48 divisors (see below), whose sum is σ = 43096777056. Its totient is φ = 6795402432.

The previous prime is 20201102069. The next prime is 20201102111. The reversal of 20201102110 is 1120110202.

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 (20201102111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 362962 + ... + 414901.

It is an arithmetic number, because the mean of its divisors is an integer number (897849522).

Almost surely, 2^20201102110 is an apocalyptic number.

20201102110 is an abundant number, since it is smaller than the sum of its proper divisors (22895674946).

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

20201102110 is a wasteful number, since it uses less digits than its factorization.

20201102110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777937 (or 777930 counting only the distinct ones).

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

Adding to 20201102110 its reverse (1120110202), we get a palindrome (21321212312).

The spelling of 20201102110 in words is "twenty billion, two hundred one million, one hundred two thousand, one hundred ten".