199265020 has 12 divisors (see below), whose sum is σ = 418456584. Its totient is φ = 79706000.

The previous prime is 199264999. The next prime is 199265023. The reversal of 199265020 is 20562991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199265023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4981606 + ... + 4981645.

It is an arithmetic number, because the mean of its divisors is an integer number (34871382).

Almost surely, 2^199265020 is an apocalyptic number.

199265020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

199265020 is an abundant number, since it is smaller than the sum of its proper divisors (219191564).

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

199265020 is a wasteful number, since it uses less digits than its factorization.

199265020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9963260 (or 9963258 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 199265020 is about 14116.1262391635. The cubic root of 199265020 is about 584.0863034711.

The spelling of 199265020 in words is "one hundred ninety-nine million, two hundred sixty-five thousand, twenty".