19827701000 has 32 divisors (see below), whose sum is σ = 46396822680. Its totient is φ = 7931080000.

The previous prime is 19827700993. The next prime is 19827701027. The reversal of 19827701000 is 10772891.

It can be written as a sum of positive squares in 4 ways, for example, as 9108411844 + 10719289156 = 95438^2 + 103534^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9912851 + ... + 9914850.

Almost surely, 2^19827701000 is an apocalyptic number.

19827701000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19827701000 is an abundant number, since it is smaller than the sum of its proper divisors (26569121680).

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

19827701000 is a wasteful number, since it uses less digits than its factorization.

19827701000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19827722 (or 19827708 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 35.

The spelling of 19827701000 in words is "nineteen billion, eight hundred twenty-seven million, seven hundred one thousand".