20342422250503 has 24 divisors (see below), whose sum is σ = 22116990476592. Its totient is φ = 18696311122944.

The previous prime is 20342422250497. The next prime is 20342422250509. The reversal of 20342422250503 is 30505222424302.

It is an interprime number because it is at equal distance from previous prime (20342422250497) and next prime (20342422250509).

It is not a de Polignac number, because 20342422250503 - 2⁵ = 20342422250471 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 (20342422250509) 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 23 ways as a sum of consecutive naturals, for example, 55203501 + ... + 55570777.

It is an arithmetic number, because the mean of its divisors is an integer number (921541269858).

Almost surely, 2^{20342422250503} is an apocalyptic number.

20342422250503 is a deficient number, since it is larger than the sum of its proper divisors (1774568226089).

20342422250503 is a wasteful number, since it uses less digits than its factorization.

20342422250503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371811 (or 371794 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 34.

Adding to 20342422250503 its reverse (30505222424302), we get a palindrome (50847644674805).

The spelling of 20342422250503 in words is "twenty trillion, three hundred forty-two billion, four hundred twenty-two million, two hundred fifty thousand, five hundred three".