197974020 has 48 divisors (see below), whose sum is σ = 556028928. Its totient is φ = 52631040.

The previous prime is 197974019. The next prime is 197974033. The reversal of 197974020 is 20479791.

It is a self number, because there is not a number n which added to its sum of digits gives 197974020.

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, 15325 + ... + 25115.

It is an arithmetic number, because the mean of its divisors is an integer number (11583936).

Almost surely, 2^197974020 is an apocalyptic number.

197974020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

197974020 is an abundant number, since it is smaller than the sum of its proper divisors (358054908).

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

197974020 is a wasteful number, since it uses less digits than its factorization.

197974020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10140 (or 10138 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 39.

The square root of 197974020 is about 14070.3240900841. The cubic root of 197974020 is about 582.8221749838.

The spelling of 197974020 in words is "one hundred ninety-seven million, nine hundred seventy-four thousand, twenty".