20201200110 has 144 divisors (see below), whose sum is σ = 65798381376. Its totient is φ = 4262219136.

The previous prime is 20201200091. The next prime is 20201200169. The reversal of 20201200110 is 1100210202.

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 = 20201200092 and 20201200101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 118854 + ... + 233513.

It is an arithmetic number, because the mean of its divisors is an integer number (456933204).

Almost surely, 2^20201200110 is an apocalyptic number.

20201200110 is an abundant number, since it is smaller than the sum of its proper divisors (45597181266).

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

20201200110 is a wasteful number, since it uses less digits than its factorization.

20201200110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352407 (or 352397 counting only the distinct ones).

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

Adding to 20201200110 its reverse (1100210202), we get a palindrome (21301410312).

The spelling of 20201200110 in words is "twenty billion, two hundred one million, two hundred thousand, one hundred ten".