19973982030 has 32 divisors (see below), whose sum is σ = 49052386944. Its totient is φ = 5202525216.

The previous prime is 19973982011. The next prime is 19973982037. The reversal of 19973982030 is 3028937991.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19973982037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7740564 + ... + 7743143.

It is an arithmetic number, because the mean of its divisors is an integer number (1532887092).

Almost surely, 2^19973982030 is an apocalyptic number.

19973982030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19973982030 is an abundant number, since it is smaller than the sum of its proper divisors (29078404914).

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

19973982030 is a wasteful number, since it uses less digits than its factorization.

19973982030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15483760.

The product of its (nonzero) digits is 734832, while the sum is 51.

The spelling of 19973982030 in words is "nineteen billion, nine hundred seventy-three million, nine hundred eighty-two thousand, thirty".