19707922080 has 1152 divisors, whose sum is σ = 90348410880. Its totient is φ = 3936522240.

The previous prime is 19707922063. The next prime is 19707922081. The reversal of 19707922080 is 8022970791.

It is a super-2 number, since 2×19707922080² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (19707922081) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 86818927 + ... + 86819153.

It is an arithmetic number, because the mean of its divisors is an integer number (78427440).

Almost surely, 2^19707922080 is an apocalyptic number.

19707922080 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 19707922080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45174205440).

19707922080 is an abundant number, since it is smaller than the sum of its proper divisors (70640488800).

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

19707922080 is a wasteful number, since it uses less digits than its factorization.

19707922080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304 (or 284 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 45.

The spelling of 19707922080 in words is "nineteen billion, seven hundred seven million, nine hundred twenty-two thousand, eighty".