20221420003 has 4 divisors (see below), whose sum is σ = 20226674808. Its totient is φ = 20216165200.

The previous prime is 20221419991. The next prime is 20221420057. The reversal of 20221420003 is 30002412202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20221420003 - 2¹⁷ = 20221288931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20221420403) 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, 2621626 + ... + 2629327.

It is an arithmetic number, because the mean of its divisors is an integer number (5056668702).

Almost surely, 2^20221420003 is an apocalyptic number.

20221420003 is a deficient number, since it is larger than the sum of its proper divisors (5254805).

20221420003 is an equidigital number, since it uses as much as digits as its factorization.

20221420003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5254804.

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 20221420003 its reverse (30002412202), we get a palindrome (50223832205).

The spelling of 20221420003 in words is "twenty billion, two hundred twenty-one million, four hundred twenty thousand, three".