20221344103 has 4 divisors (see below), whose sum is σ = 20222892568. Its totient is φ = 20219795640.

The previous prime is 20221344067. The next prime is 20221344109. The reversal of 20221344103 is 30144312202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30144312202 = 2 ⋅15072156101.

It is a cyclic number.

It is not a de Polignac number, because 20221344103 - 2²⁹ = 19684473191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20221344109) 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, 754476 + ... + 780817.

It is an arithmetic number, because the mean of its divisors is an integer number (5055723142).

Almost surely, 2^20221344103 is an apocalyptic number.

20221344103 is a deficient number, since it is larger than the sum of its proper divisors (1548465).

20221344103 is a wasteful number, since it uses less digits than its factorization.

20221344103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1548464.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 20221344103 its reverse (30144312202), we get a palindrome (50365656305).

The spelling of 20221344103 in words is "twenty billion, two hundred twenty-one million, three hundred forty-four thousand, one hundred three".