20201002110 has 96 divisors (see below), whose sum is σ = 54002894400. Its totient is φ = 5235439104.

The previous prime is 20201002057. The next prime is 20201002117. The reversal of 20201002110 is 1120010202.

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 = 20201002092 and 20201002101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20201002117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3490279 + ... + 3496061.

It is an arithmetic number, because the mean of its divisors is an integer number (562530150).

Almost surely, 2^20201002110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20201002110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27001447200).

20201002110 is an abundant number, since it is smaller than the sum of its proper divisors (33801892290).

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

20201002110 is a wasteful number, since it uses less digits than its factorization.

20201002110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6882 (or 6879 counting only the distinct ones).

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

Adding to 20201002110 its reverse (1120010202), we get a palindrome (21321012312).

The spelling of 20201002110 in words is "twenty billion, two hundred one million, two thousand, one hundred ten".