11820420363 has 8 divisors (see below), whose sum is σ = 16018930576. Its totient is φ = 7751095200.

The previous prime is 11820420361. The next prime is 11820420379. The reversal of 11820420363 is 36302402811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11820420363 - 2¹ = 11820420361 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11820420363.

It is not an unprimeable number, because it can be changed into a prime (11820420361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32296048 + ... + 32296413.

It is an arithmetic number, because the mean of its divisors is an integer number (2002366322).

Almost surely, 2^11820420363 is an apocalyptic number.

11820420363 is a deficient number, since it is larger than the sum of its proper divisors (4198510213).

11820420363 is an equidigital number, since it uses as much as digits as its factorization.

11820420363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64592525.

The product of its (nonzero) digits is 6912, while the sum is 30.

The spelling of 11820420363 in words is "eleven billion, eight hundred twenty million, four hundred twenty thousand, three hundred sixty-three".