2420321345 has 16 divisors (see below), whose sum is σ = 3130202880. Its totient is φ = 1785941184.

The previous prime is 2420321329. The next prime is 2420321363. The reversal of 2420321345 is 5431230242.

It is a cyclic number.

It is not a de Polignac number, because 2420321345 - 2⁴ = 2420321329 is a prime.

It is a super-3 number, since 3×2420321345³ (a number of 29 digits) contains 333 as substring.

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, 75236 + ... + 102474.

It is an arithmetic number, because the mean of its divisors is an integer number (195637680).

Almost surely, 2^2420321345 is an apocalyptic number.

It is an amenable number.

2420321345 is a deficient number, since it is larger than the sum of its proper divisors (709881535).

2420321345 is a wasteful number, since it uses less digits than its factorization.

2420321345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28624.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 2420321345 is about 49196.7615295966. The cubic root of 2420321345 is about 1342.6341118607.

Adding to 2420321345 its reverse (5431230242), we get a palindrome (7851551587).

The spelling of 2420321345 in words is "two billion, four hundred twenty million, three hundred twenty-one thousand, three hundred forty-five".