20002211120023 has 16 divisors (see below), whose sum is σ = 23106062656800. Its totient is φ = 17112780697600.

The previous prime is 20002211120009. The next prime is 20002211120029. The reversal of 20002211120023 is 32002111220002.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20002211120023 is a prime.

It is a super-2 number, since 2×20002211120023² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20002211119979 and 20002211120006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20002211120029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2130298 + ... + 6674023.

It is an arithmetic number, because the mean of its divisors is an integer number (1444128916050).

Almost surely, 2^{20002211120023} is an apocalyptic number.

20002211120023 is a deficient number, since it is larger than the sum of its proper divisors (3103851536777).

20002211120023 is a wasteful number, since it uses less digits than its factorization.

20002211120023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8816498.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20002211120023 its reverse (32002111220002), we get a palindrome (52004322340025).

The spelling of 20002211120023 in words is "twenty trillion, two billion, two hundred eleven million, one hundred twenty thousand, twenty-three".