22020402403 has 4 divisors (see below), whose sum is σ = 22020876288. Its totient is φ = 22019928520.

The previous prime is 22020402367. The next prime is 22020402427. The reversal of 22020402403 is 30420402022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30420402022 = 2 ⋅15210201011.

It is a cyclic number.

It is not a de Polignac number, because 22020402403 - 2⁹ = 22020401891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22020402433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158608 + ... + 263053.

It is an arithmetic number, because the mean of its divisors is an integer number (5505219072).

Almost surely, 2^22020402403 is an apocalyptic number.

22020402403 is a deficient number, since it is larger than the sum of its proper divisors (473885).

22020402403 is an equidigital number, since it uses as much as digits as its factorization.

22020402403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473884.

The product of its (nonzero) digits is 768, while the sum is 19.

Adding to 22020402403 its reverse (30420402022), we get a palindrome (52440804425).

The spelling of 22020402403 in words is "twenty-two billion, twenty million, four hundred two thousand, four hundred three".