2420335643 has 8 divisors (see below), whose sum is σ = 2642730816. Its totient is φ = 2198334600.

The previous prime is 2420335639. The next prime is 2420335669. The reversal of 2420335643 is 3465330242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2420335643 - 2² = 2420335639 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2420335243) 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, 85613 + ... + 110318.

It is an arithmetic number, because the mean of its divisors is an integer number (330341352).

Almost surely, 2^2420335643 is an apocalyptic number.

2420335643 is a deficient number, since it is larger than the sum of its proper divisors (222395173).

2420335643 is a wasteful number, since it uses less digits than its factorization.

2420335643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197065.

The product of its (nonzero) digits is 51840, while the sum is 32.

The square root of 2420335643 is about 49196.9068438250. The cubic root of 2420335643 is about 1342.6367557169.

Adding to 2420335643 its reverse (3465330242), we get a palindrome (5885665885).

The spelling of 2420335643 in words is "two billion, four hundred twenty million, three hundred thirty-five thousand, six hundred forty-three".