197305320 has 64 divisors (see below), whose sum is σ = 592945920. Its totient is φ = 52523264.

The previous prime is 197305319. The next prime is 197305331. The reversal of 197305320 is 23503791.

197305320 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 (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94609 + ... + 96671.

It is an arithmetic number, because the mean of its divisors is an integer number (9264780).

Almost surely, 2^197305320 is an apocalyptic number.

197305320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

197305320 is an abundant number, since it is smaller than the sum of its proper divisors (395640600).

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

197305320 is a wasteful number, since it uses less digits than its factorization.

197305320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2874 (or 2870 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 30.

The square root of 197305320 is about 14046.5412112733. The cubic root of 197305320 is about 582.1652321918.

The spelling of 197305320 in words is "one hundred ninety-seven million, three hundred five thousand, three hundred twenty".