2420420403 has 16 divisors (see below), whose sum is σ = 3284388000. Its totient is φ = 1585102080.

The previous prime is 2420420351. The next prime is 2420420437. The reversal of 2420420403 is 3040240242.

It is not a de Polignac number, because 2420420403 - 2¹² = 2420416307 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2420420403.

It is not an unprimeable number, because it can be changed into a prime (2420420473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139873 + ... + 156221.

It is an arithmetic number, because the mean of its divisors is an integer number (205274250).

Almost surely, 2^2420420403 is an apocalyptic number.

2420420403 is a deficient number, since it is larger than the sum of its proper divisors (863967597).

2420420403 is a wasteful number, since it uses less digits than its factorization.

2420420403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17222.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 2420420403 is about 49197.7682725548. The cubic root of 2420420403 is about 1342.6524285518.

Adding to 2420420403 its reverse (3040240242), we get a palindrome (5460660645).

The spelling of 2420420403 in words is "two billion, four hundred twenty million, four hundred twenty thousand, four hundred three".