2420320402 has 8 divisors (see below), whose sum is σ = 3680213436. Its totient is φ = 1193582592.

The previous prime is 2420320391. The next prime is 2420320411. The reversal of 2420320402 is 2040230242.

It can be written as a sum of positive squares in 2 ways, for example, as 2299298401 + 121022001 = 47951^2 + 11001^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 2420320402.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8288623 + ... + 8288914.

Almost surely, 2^2420320402 is an apocalyptic number.

2420320402 is a deficient number, since it is larger than the sum of its proper divisors (1259893034).

2420320402 is a wasteful number, since it uses less digits than its factorization.

2420320402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16577612.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 2420320402 is about 49196.7519456315. The cubic root of 2420320402 is about 1342.6339374893.

Adding to 2420320402 its reverse (2040230242), we get a palindrome (4460550644).

The spelling of 2420320402 in words is "two billion, four hundred twenty million, three hundred twenty thousand, four hundred two".