197706020 has 24 divisors (see below), whose sum is σ = 437035200. Its totient is φ = 74920032.

The previous prime is 197706013. The next prime is 197706023. The reversal of 197706020 is 20607791.

It is not an unprimeable number, because it can be changed into a prime (197706023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259760 + ... + 260519.

It is an arithmetic number, because the mean of its divisors is an integer number (18209800).

Almost surely, 2^197706020 is an apocalyptic number.

197706020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

197706020 is an abundant number, since it is smaller than the sum of its proper divisors (239329180).

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

197706020 is a wasteful number, since it uses less digits than its factorization.

197706020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520307 (or 520305 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 32.

The square root of 197706020 is about 14060.7972746925. The cubic root of 197706020 is about 582.5590649090.

The spelling of 197706020 in words is "one hundred ninety-seven million, seven hundred six thousand, twenty".