20001122202024 has 48 divisors (see below), whose sum is σ = 54822353040000. Its totient is φ = 6586714940064.

The previous prime is 20001122202001. The next prime is 20001122202049. The reversal of 20001122202024 is 42020222110002.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20001122201988 and 20001122202006.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1673448024 + ... + 1673459975.

It is an arithmetic number, because the mean of its divisors is an integer number (1142132355000).

Almost surely, 2^{20001122202024} is an apocalyptic number.

20001122202024 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20001122202024 is an abundant number, since it is smaller than the sum of its proper divisors (34821230837976).

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

20001122202024 is a wasteful number, since it uses less digits than its factorization.

20001122202024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3346908094 (or 3346908087 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 20001122202024 its reverse (42020222110002), we get a palindrome (62021344312026).

The spelling of 20001122202024 in words is "twenty trillion, one billion, one hundred twenty-two million, two hundred two thousand, twenty-four".