20003219982 has 24 divisors (see below), whose sum is σ = 43346922840. Its totient is φ = 6666722640.

The previous prime is 20003219981. The next prime is 20003220001. The reversal of 20003219982 is 28991230002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20003219981) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41557 + ... + 204287.

It is an arithmetic number, because the mean of its divisors is an integer number (1806121785).

Almost surely, 2^20003219982 is an apocalyptic number.

20003219982 is an abundant number, since it is smaller than the sum of its proper divisors (23343702858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20003219982 is a wasteful number, since it uses less digits than its factorization.

20003219982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169568 (or 169565 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

Adding to 20003219982 its reverse (28991230002), we get a palindrome (48994449984).

The spelling of 20003219982 in words is "twenty billion, three million, two hundred nineteen thousand, nine hundred eighty-two".