19980466704 has 360 divisors, whose sum is σ = 64462874112. Its totient is φ = 5765760000.

The previous prime is 19980466687. The next prime is 19980466717. The reversal of 19980466704 is 40766408991.

It is a congruent number.

It is an unprimeable number.

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 71 ways as a sum of consecutive naturals, for example, 38349964 + ... + 38350484.

Almost surely, 2^19980466704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19980466704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32231437056).

19980466704 is an abundant number, since it is smaller than the sum of its proper divisors (44482407408).

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

19980466704 is a wasteful number, since it uses less digits than its factorization.

19980466704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659 (or 639 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

It can be divided in two parts, 19980 and 466704, that added together give a palindrome (486684).

The spelling of 19980466704 in words is "nineteen billion, nine hundred eighty million, four hundred sixty-six thousand, seven hundred four".