199420775752 has 32 divisors (see below), whose sum is σ = 418930629120. Its totient is φ = 88195919040.

The previous prime is 199420775711. The next prime is 199420775759. The reversal of 199420775752 is 257577024991.

It is not an unprimeable number, because it can be changed into a prime (199420775759) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30620328 + ... + 30626839.

It is an arithmetic number, because the mean of its divisors is an integer number (13091582160).

Almost surely, 2^199420775752 is an apocalyptic number.

It is an amenable number.

199420775752 is an abundant number, since it is smaller than the sum of its proper divisors (219509853368).

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

199420775752 is a wasteful number, since it uses less digits than its factorization.

199420775752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61247221 (or 61247217 counting only the distinct ones).

The product of its (nonzero) digits is 11113200, while the sum is 58.

The spelling of 199420775752 in words is "one hundred ninety-nine billion, four hundred twenty million, seven hundred seventy-five thousand, seven hundred fifty-two".