4426520220023 has 4 divisors (see below), whose sum is σ = 4828931149128. Its totient is φ = 4024109290920.

The previous prime is 4426520219993. The next prime is 4426520220029. The reversal of 4426520220023 is 3200220256244.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4426520220023 - 2¹⁰ = 4426520218999 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 (4426520220029) 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, 201205464536 + ... + 201205464557.

It is an arithmetic number, because the mean of its divisors is an integer number (1207232787282).

Almost surely, 2^{4426520220023} is an apocalyptic number.

4426520220023 is a deficient number, since it is larger than the sum of its proper divisors (402410929105).

4426520220023 is a wasteful number, since it uses less digits than its factorization.

4426520220023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402410929104.

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 4426520220023 its reverse (3200220256244), we get a palindrome (7626740476267).

The spelling of 4426520220023 in words is "four trillion, four hundred twenty-six billion, five hundred twenty million, two hundred twenty thousand, twenty-three".