2420344120321 has 4 divisors (see below), whose sum is σ = 2420451794992. Its totient is φ = 2420236445652.

The previous prime is 2420344120319. The next prime is 2420344120391. The reversal of 2420344120321 is 1230214430242.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2420344120321 - 2¹ = 2420344120319 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2420344120321.

It is not an unprimeable number, because it can be changed into a prime (2420344120391) 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, 53803611 + ... + 53848576.

It is an arithmetic number, because the mean of its divisors is an integer number (605112948748).

Almost surely, 2^{2420344120321} is an apocalyptic number.

It is an amenable number.

2420344120321 is a deficient number, since it is larger than the sum of its proper divisors (107674671).

2420344120321 is a wasteful number, since it uses less digits than its factorization.

2420344120321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107674670.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 2420344120321 its reverse (1230214430242), we get a palindrome (3650558550563).

The spelling of 2420344120321 in words is "two trillion, four hundred twenty billion, three hundred forty-four million, one hundred twenty thousand, three hundred twenty-one".