201020002110 has 96 divisors (see below), whose sum is σ = 549261329760. Its totient is φ = 50943561984.

The previous prime is 201020002097. The next prime is 201020002111. The reversal of 201020002110 is 11200020102.

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 = 201020002092 and 201020002101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201020002111) 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, 558745 + ... + 845124.

It is an arithmetic number, because the mean of its divisors is an integer number (5721472185).

Almost surely, 2^201020002110 is an apocalyptic number.

201020002110 is an abundant number, since it is smaller than the sum of its proper divisors (348241327650).

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

201020002110 is a wasteful number, since it uses less digits than its factorization.

201020002110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1403962 (or 1403959 counting only the distinct ones).

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

Adding to 201020002110 its reverse (11200020102), we get a palindrome (212220022212).

The spelling of 201020002110 in words is "two hundred one billion, twenty million, two thousand, one hundred ten".