22120220003 has 24 divisors (see below), whose sum is σ = 26791235328. Its totient is φ = 17880454368.

The previous prime is 22120219999. The next prime is 22120220009. The reversal of 22120220003 is 30002202122.

It is not a de Polignac number, because 22120220003 - 2² = 22120219999 is a prime.

It is a super-2 number, since 2×22120220003² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22120220003.

It is not an unprimeable number, because it can be changed into a prime (22120220009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 209450 + ... + 296832.

It is an arithmetic number, because the mean of its divisors is an integer number (1116301472).

Almost surely, 2^22120220003 is an apocalyptic number.

22120220003 is a deficient number, since it is larger than the sum of its proper divisors (4671015325).

22120220003 is an equidigital number, since it uses as much as digits as its factorization.

22120220003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87491 (or 87462 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 22120220003 its reverse (30002202122), we get a palindrome (52122422125).

The spelling of 22120220003 in words is "twenty-two billion, one hundred twenty million, two hundred twenty thousand, three".