19692727080 has 256 divisors, whose sum is σ = 67263436800. Its totient is φ = 4572288000.

The previous prime is 19692727049. The next prime is 19692727127. The reversal of 19692727080 is 8072729691.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7438317 + ... + 7440963.

It is an arithmetic number, because the mean of its divisors is an integer number (262747800).

Almost surely, 2^19692727080 is an apocalyptic number.

19692727080 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 19692727080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33631718400).

19692727080 is an abundant number, since it is smaller than the sum of its proper divisors (47570709720).

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

19692727080 is a wasteful number, since it uses less digits than its factorization.

19692727080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2944 (or 2940 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 51.

The spelling of 19692727080 in words is "nineteen billion, six hundred ninety-two million, seven hundred twenty-seven thousand, eighty".