197387020 has 24 divisors (see below), whose sum is σ = 414779904. Its totient is φ = 78903936.

The previous prime is 197387009. The next prime is 197387041. The reversal of 197387020 is 20783791.

197387020 is digitally balanced in base 2, base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

197387020 is strictly pandigital in base 9.

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, 51904 + ... + 55576.

It is an arithmetic number, because the mean of its divisors is an integer number (17282496).

Almost surely, 2^197387020 is an apocalyptic number.

197387020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

197387020 is an abundant number, since it is smaller than the sum of its proper divisors (217392884).

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

197387020 is a wasteful number, since it uses less digits than its factorization.

197387020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6369 (or 6367 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 197387020 is about 14049.4490995199. The cubic root of 197387020 is about 582.2455752459.

The spelling of 197387020 in words is "one hundred ninety-seven million, three hundred eighty-seven thousand, twenty".