307248020 has 12 divisors (see below), whose sum is σ = 645220884. Its totient is φ = 122899200.

The previous prime is 307247971. The next prime is 307248059. The reversal of 307248020 is 20842703.

It can be written as a sum of positive squares in 2 ways, for example, as 193655056 + 113592964 = 13916^2 + 10658^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7681181 + ... + 7681220.

It is an arithmetic number, because the mean of its divisors is an integer number (53768407).

Almost surely, 2^307248020 is an apocalyptic number.

It is an amenable number.

307248020 is an abundant number, since it is smaller than the sum of its proper divisors (337972864).

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

307248020 is a wasteful number, since it uses less digits than its factorization.

307248020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15362410 (or 15362408 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 307248020 is about 17528.4916635745. The cubic root of 307248020 is about 674.7812880803.

The spelling of 307248020 in words is "three hundred seven million, two hundred forty-eight thousand, twenty".