20002202220016 has 20 divisors (see below), whose sum is σ = 40793965054600. Its totient is φ = 9474727367232.

The previous prime is 20002202219983. The next prime is 20002202220017. The reversal of 20002202220016 is 61002220220002.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 20002202219975 and 20002202220002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20002202220017) 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 3 ways as a sum of consecutive naturals, for example, 32898358611 + ... + 32898359218.

It is an arithmetic number, because the mean of its divisors is an integer number (2039698252730).

Almost surely, 2^{20002202220016} is an apocalyptic number.

It is an amenable number.

20002202220016 is an abundant number, since it is smaller than the sum of its proper divisors (20791762834584).

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

20002202220016 is a wasteful number, since it uses less digits than its factorization.

20002202220016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65796717856 (or 65796717850 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 20002202220016 its reverse (61002220220002), we get a palindrome (81004422440018).

The spelling of 20002202220016 in words is "twenty trillion, two billion, two hundred two million, two hundred twenty thousand, sixteen".