20021002000110 has 96 divisors (see below), whose sum is σ = 52159734027648. Its totient is φ = 5328153639360.

The previous prime is 20021002000057. The next prime is 20021002000151. The reversal of 20021002000110 is 1100020012002.

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 = 20021002000092 and 20021002000101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 613917705 + ... + 613950315.

It is an arithmetic number, because the mean of its divisors is an integer number (543330562788).

Almost surely, 2^{20021002000110} is an apocalyptic number.

20021002000110 is an abundant number, since it is smaller than the sum of its proper divisors (32138732027538).

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

20021002000110 is a wasteful number, since it uses less digits than its factorization.

20021002000110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46190 (or 46187 counting only the distinct ones).

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

Adding to 20021002000110 its reverse (1100020012002), we get a palindrome (21121022012112).

The spelling of 20021002000110 in words is "twenty trillion, twenty-one billion, two million, one hundred ten", and thus it is an aban number.