345324020 has 12 divisors (see below), whose sum is σ = 725180484. Its totient is φ = 138129600.

The previous prime is 345323971. The next prime is 345324029. The reversal of 345324020 is 20423543.

It can be written as a sum of positive squares in 2 ways, for example, as 85340644 + 259983376 = 9238^2 + 16124^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345324029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8633081 + ... + 8633120.

It is an arithmetic number, because the mean of its divisors is an integer number (60431707).

Almost surely, 2^345324020 is an apocalyptic number.

It is an amenable number.

345324020 is an abundant number, since it is smaller than the sum of its proper divisors (379856464).

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

345324020 is a wasteful number, since it uses less digits than its factorization.

345324020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17266210 (or 17266208 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 345324020 is about 18582.8958991864. The cubic root of 345324020 is about 701.5774087188.

Adding to 345324020 its reverse (20423543), we get a palindrome (365747563).

The spelling of 345324020 in words is "three hundred forty-five million, three hundred twenty-four thousand, twenty".