20221219983 has 8 divisors (see below), whose sum is σ = 27690319408. Its totient is φ = 13116466944.

The previous prime is 20221219979. The next prime is 20221220023. The reversal of 20221219983 is 38991212202.

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

It is not a de Polignac number, because 20221219983 - 2² = 20221219979 is a prime.

It is a super-3 number, since 3×20221219983³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20221219913) 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, 91086466 + ... + 91086687.

It is an arithmetic number, because the mean of its divisors is an integer number (3461289926).

Almost surely, 2^20221219983 is an apocalyptic number.

20221219983 is a deficient number, since it is larger than the sum of its proper divisors (7469099425).

20221219983 is a wasteful number, since it uses less digits than its factorization.

20221219983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182173193.

The product of its (nonzero) digits is 31104, while the sum is 39.

It can be divided in two parts, 20221219 and 983, that added together give a palindrome (20222202).

The spelling of 20221219983 in words is "twenty billion, two hundred twenty-one million, two hundred nineteen thousand, nine hundred eighty-three".