22020602603 has 4 divisors (see below), whose sum is σ = 22047230520. Its totient is φ = 21993974688.

The previous prime is 22020602599. The next prime is 22020602609. The reversal of 22020602603 is 30620602022.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30620602022 = 2 ⋅15310301011.

It is a cyclic number.

It is not a de Polignac number, because 22020602603 - 2² = 22020602599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22020602609) 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, 13312718 + ... + 13314371.

It is an arithmetic number, because the mean of its divisors is an integer number (5511807630).

Almost surely, 2^22020602603 is an apocalyptic number.

22020602603 is a deficient number, since it is larger than the sum of its proper divisors (26627917).

22020602603 is an equidigital number, since it uses as much as digits as its factorization.

22020602603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26627916.

The product of its (nonzero) digits is 1728, while the sum is 23.

The spelling of 22020602603 in words is "twenty-two billion, twenty million, six hundred two thousand, six hundred three".