297993020 has 48 divisors (see below), whose sum is σ = 676952640. Its totient is φ = 109533696.

The previous prime is 297993001. The next prime is 297993071. The reversal of 297993020 is 20399792.

It is a congruent number.

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, 58121 + ... + 63039.

It is an arithmetic number, because the mean of its divisors is an integer number (14103180).

Almost surely, 2^297993020 is an apocalyptic number.

297993020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 297993020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (338476320).

297993020 is an abundant number, since it is smaller than the sum of its proper divisors (378959620).

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

297993020 is a wasteful number, since it uses less digits than its factorization.

297993020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5174 (or 5172 counting only the distinct ones).

The product of its (nonzero) digits is 61236, while the sum is 41.

The square root of 297993020 is about 17262.4743301764. The cubic root of 297993020 is about 667.9367880951.

The spelling of 297993020 in words is "two hundred ninety-seven million, nine hundred ninety-three thousand, twenty".