20202010110 has 96 divisors (see below), whose sum is σ = 55383644160. Its totient is φ = 5094995904.

The previous prime is 20202010099. The next prime is 20202010111. The reversal of 20202010110 is 1101020202.

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 = 20202010092 and 20202010101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202010111) 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, 1028239 + ... + 1047701.

It is an arithmetic number, because the mean of its divisors is an integer number (576912960).

Almost surely, 2^20202010110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20202010110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27691822080).

20202010110 is an abundant number, since it is smaller than the sum of its proper divisors (35181634050).

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

20202010110 is a wasteful number, since it uses less digits than its factorization.

20202010110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20102 (or 20099 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 20202010110 its reverse (1101020202), we get a palindrome (21303030312).

The spelling of 20202010110 in words is "twenty billion, two hundred two million, ten thousand, one hundred ten".