20020201110 has 128 divisors (see below), whose sum is σ = 65707407360. Its totient is φ = 4224037248.

The previous prime is 20020201099. The next prime is 20020201183. The reversal of 20020201110 is 1110202002.

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 = 20020201092 and 20020201101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 382842 + ... + 431981.

It is an arithmetic number, because the mean of its divisors is an integer number (513339120).

Almost surely, 2^20020201110 is an apocalyptic number.

20020201110 is an abundant number, since it is smaller than the sum of its proper divisors (45687206250).

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

20020201110 is a wasteful number, since it uses less digits than its factorization.

20020201110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814859 (or 814853 counting only the distinct ones).

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

Adding to 20020201110 its reverse (1110202002), we get a palindrome (21130403112).

The spelling of 20020201110 in words is "twenty billion, twenty million, two hundred one thousand, one hundred ten".