20402224003 has 16 divisors (see below), whose sum is σ = 23560472320. Its totient is φ = 17305293600.

The previous prime is 20402224001. The next prime is 20402224021. The reversal of 20402224003 is 30042220402.

It is not a de Polignac number, because 20402224003 - 2¹ = 20402224001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20402224001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 602308 + ... + 635278.

It is an arithmetic number, because the mean of its divisors is an integer number (1472529520).

Almost surely, 2^20402224003 is an apocalyptic number.

20402224003 is a deficient number, since it is larger than the sum of its proper divisors (3158248317).

20402224003 is a wasteful number, since it uses less digits than its factorization.

20402224003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33898.

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

Adding to 20402224003 its reverse (30042220402), we get a palindrome (50444444405).

The spelling of 20402224003 in words is "twenty billion, four hundred two million, two hundred twenty-four thousand, three".