199082520 has 384 divisors, whose sum is σ = 817689600. Its totient is φ = 40891392.

The previous prime is 199082519. The next prime is 199082539. The reversal of 199082520 is 25280991.

199082520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1932789 + ... + 1932891.

It is an arithmetic number, because the mean of its divisors is an integer number (2129400).

Almost surely, 2^199082520 is an apocalyptic number.

199082520 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 199082520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (408844800).

199082520 is an abundant number, since it is smaller than the sum of its proper divisors (618607080).

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

199082520 is a wasteful number, since it uses less digits than its factorization.

199082520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199 (or 192 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 199082520 is about 14109.6605203669. The cubic root of 199082520 is about 583.9079341326.

The spelling of 199082520 in words is "one hundred ninety-nine million, eighty-two thousand, five hundred twenty".