2420252155 has 16 divisors (see below), whose sum is σ = 2968656480. Its totient is φ = 1893535488.

The previous prime is 2420252123. The next prime is 2420252171. The reversal of 2420252155 is 5512520242.

It is a cyclic number.

It is not a de Polignac number, because 2420252155 - 2⁵ = 2420252123 is a prime.

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, 68356 + ... + 97534.

It is an arithmetic number, because the mean of its divisors is an integer number (185541030).

Almost surely, 2^2420252155 is an apocalyptic number.

2420252155 is a deficient number, since it is larger than the sum of its proper divisors (548404325).

2420252155 is a wasteful number, since it uses less digits than its factorization.

2420252155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29550.

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 2420252155 is about 49196.0583278783. The cubic root of 2420252155 is about 1342.6213177277.

Adding to 2420252155 its reverse (5512520242), we get a palindrome (7932772397).

The spelling of 2420252155 in words is "two billion, four hundred twenty million, two hundred fifty-two thousand, one hundred fifty-five".