2420203145 has 16 divisors (see below), whose sum is σ = 3019500288. Its totient is φ = 1860735360.

The previous prime is 2420203133. The next prime is 2420203171. The reversal of 2420203145 is 5413020242.

It is a happy number.

It is not a de Polignac number, because 2420203145 - 2¹⁸ = 2419941001 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 2420203145.

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, 74369 + ... + 101838.

It is an arithmetic number, because the mean of its divisors is an integer number (188718768).

Almost surely, 2^2420203145 is an apocalyptic number.

It is an amenable number.

2420203145 is a deficient number, since it is larger than the sum of its proper divisors (599297143).

2420203145 is a wasteful number, since it uses less digits than its factorization.

2420203145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176320.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 2420203145 is about 49195.5602163447. The cubic root of 2420203145 is about 1342.6122549922.

Adding to 2420203145 its reverse (5413020242), we get a palindrome (7833223387).

The spelling of 2420203145 in words is "two billion, four hundred twenty million, two hundred three thousand, one hundred forty-five".