8820420743 has 12 divisors (see below), whose sum is σ = 9424003560. Its totient is φ = 8253539712.

The previous prime is 8820420701. The next prime is 8820420767. The reversal of 8820420743 is 3470240288.

It is a happy number.

8820420743 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8820420743 - 2²⁰ = 8819372167 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8820420697 and 8820420706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8820426743) 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 11 ways as a sum of consecutive naturals, for example, 38213 + ... + 138206.

It is an arithmetic number, because the mean of its divisors is an integer number (785333630).

Almost surely, 2^8820420743 is an apocalyptic number.

8820420743 is a deficient number, since it is larger than the sum of its proper divisors (603582817).

8820420743 is a wasteful number, since it uses less digits than its factorization.

8820420743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176626 (or 176609 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 38.

The square root of 8820420743 is about 93917.0950519659. The cubic root of 8820420743 is about 2066.1559613925.

The spelling of 8820420743 in words is "eight billion, eight hundred twenty million, four hundred twenty thousand, seven hundred forty-three".