20344500004403 has 2 divisors, whose sum is σ = 20344500004404. Its totient is φ = 20344500004402.

The previous prime is 20344500004357. The next prime is 20344500004453. The reversal of 20344500004403 is 30440000544302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20344500004403 - 2¹⁴ = 20344499988019 is a prime.

It is not a weakly prime, because it can be changed into another prime (20344500004453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10172250002201 + 10172250002202.

It is an arithmetic number, because the mean of its divisors is an integer number (10172250002202).

Almost surely, 2^{20344500004403} is an apocalyptic number.

20344500004403 is a deficient number, since it is larger than the sum of its proper divisors (1).

20344500004403 is an equidigital number, since it uses as much as digits as its factorization.

20344500004403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23040, while the sum is 29.

Adding to 20344500004403 its reverse (30440000544302), we get a palindrome (50784500548705).

The spelling of 20344500004403 in words is "twenty trillion, three hundred forty-four billion, five hundred million, four thousand, four hundred three".