20021012222003 has 8 divisors (see below), whose sum is σ = 22498528784928. Its totient is φ = 17677415473344.

The previous prime is 20021012221963. The next prime is 20021012222041. The reversal of 20021012222003 is 30022221012002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20021012222003 - 2²⁴ = 20020995444787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20021012222053) 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 7 ways as a sum of consecutive naturals, for example, 33479953250 + ... + 33479953847.

It is an arithmetic number, because the mean of its divisors is an integer number (2812316098116).

Almost surely, 2^{20021012222003} is an apocalyptic number.

20021012222003 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20021012222003 is a deficient number, since it is larger than the sum of its proper divisors (2477516562925).

20021012222003 is a wasteful number, since it uses less digits than its factorization.

20021012222003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66959907133.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20021012222003 its reverse (30022221012002), we get a palindrome (50043233234005).

The spelling of 20021012222003 in words is "twenty trillion, twenty-one billion, twelve million, two hundred twenty-two thousand, three".