20283004881 has 16 divisors (see below), whose sum is σ = 30051827520. Its totient is φ = 13520684160.

The previous prime is 20283004823. The next prime is 20283004901. The reversal of 20283004881 is 18840038202.

It is a happy number.

It is not a de Polignac number, because 20283004881 - 2¹¹ = 20283002833 is a prime.

It is a super-3 number, since 3×20283004881³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20283002881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 302241 + ... + 363201.

It is an arithmetic number, because the mean of its divisors is an integer number (1878239220).

Almost surely, 2^20283004881 is an apocalyptic number.

It is an amenable number.

20283004881 is a deficient number, since it is larger than the sum of its proper divisors (9768822639).

20283004881 is a wasteful number, since it uses less digits than its factorization.

20283004881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73293 (or 73287 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The spelling of 20283004881 in words is "twenty billion, two hundred eighty-three million, four thousand, eight hundred eighty-one".