19799952060 has 384 divisors, whose sum is σ = 69340723200. Its totient is φ = 4120657920.

The previous prime is 19799952059. The next prime is 19799952077. The reversal of 19799952060 is 6025999791.

It is a Harshad number since it is a multiple of its sum of digits (57).

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 127 ways as a sum of consecutive naturals, for example, 23883726 + ... + 23884554.

It is an arithmetic number, because the mean of its divisors is an integer number (180574800).

Almost surely, 2^19799952060 is an apocalyptic number.

19799952060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19799952060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34670361600).

19799952060 is an abundant number, since it is smaller than the sum of its proper divisors (49540771140).

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

19799952060 is a wasteful number, since it uses less digits than its factorization.

19799952060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 981 (or 979 counting only the distinct ones).

The product of its (nonzero) digits is 2755620, while the sum is 57.

The spelling of 19799952060 in words is "nineteen billion, seven hundred ninety-nine million, nine hundred fifty-two thousand, sixty".