20001000122110 has 64 divisors (see below), whose sum is σ = 41179026530304. Its totient is φ = 6851802672000.

The previous prime is 20001000122063. The next prime is 20001000122119. The reversal of 20001000122110 is 1122100010002.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20001000122119) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 484699339 + ... + 484740601.

It is an arithmetic number, because the mean of its divisors is an integer number (643422289536).

Almost surely, 2^{20001000122110} is an apocalyptic number.

20001000122110 is an abundant number, since it is smaller than the sum of its proper divisors (21178026408194).

20001000122110 is a wasteful number, since it uses less digits than its factorization.

20001000122110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46849.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20001000122110 its reverse (1122100010002), we get a palindrome (21123100132112).

The spelling of 20001000122110 in words is "twenty trillion, one billion, one hundred twenty-two thousand, one hundred ten".