345030020 has 24 divisors (see below), whose sum is σ = 724915968. Its totient is φ = 137944800.

The previous prime is 345030001. The next prime is 345030029. The reversal of 345030020 is 20030543.

It is not an unprimeable number, because it can be changed into a prime (345030029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69005 + ... + 73835.

It is an arithmetic number, because the mean of its divisors is an integer number (30204832).

Almost surely, 2^345030020 is an apocalyptic number.

It is an amenable number.

345030020 is an abundant number, since it is smaller than the sum of its proper divisors (379885948).

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

345030020 is a wasteful number, since it uses less digits than its factorization.

345030020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8411 (or 8409 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 345030020 is about 18574.9837146631. The cubic root of 345030020 is about 701.3782505275.

Adding to 345030020 its reverse (20030543), we get a palindrome (365060563).

The spelling of 345030020 in words is "three hundred forty-five million, thirty thousand, twenty".