20221011982 has 8 divisors (see below), whose sum is σ = 31650279696. Its totient is φ = 9670918752.

The previous prime is 20221011973. The next prime is 20221012013. The reversal of 20221011982 is 28911012202.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20221011982.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219793563 + ... + 219793654.

It is an arithmetic number, because the mean of its divisors is an integer number (3956284962).

Almost surely, 2^20221011982 is an apocalyptic number.

20221011982 is a deficient number, since it is larger than the sum of its proper divisors (11429267714).

20221011982 is a wasteful number, since it uses less digits than its factorization.

20221011982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439587242.

The product of its (nonzero) digits is 1152, while the sum is 28.

The spelling of 20221011982 in words is "twenty billion, two hundred twenty-one million, eleven thousand, nine hundred eighty-two".