11820420303 has 32 divisors (see below), whose sum is σ = 16499174400. Its totient is φ = 7520325120.

The previous prime is 11820420301. The next prime is 11820420319. The reversal of 11820420303 is 30302402811.

It is not a de Polignac number, because 11820420303 - 2¹ = 11820420301 is a prime.

It is a super-2 number, since 2×11820420303² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11820420301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1564551 + ... + 1572087.

It is an arithmetic number, because the mean of its divisors is an integer number (515599200).

Almost surely, 2^11820420303 is an apocalyptic number.

11820420303 is a deficient number, since it is larger than the sum of its proper divisors (4678754097).

11820420303 is a wasteful number, since it uses less digits than its factorization.

11820420303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7847.

The product of its (nonzero) digits is 1152, while the sum is 24.

The spelling of 11820420303 in words is "eleven billion, eight hundred twenty million, four hundred twenty thousand, three hundred three".