2420052115221 has 32 divisors (see below), whose sum is σ = 4064265072000. Its totient is φ = 1410880581504.

The previous prime is 2420052115219. The next prime is 2420052115223. The reversal of 2420052115221 is 1225112500242.

2420052115221 is a `hidden beast` number, since 2 + 420 + 0 + 5 + 2 + 1 + 15 + 221 = 666.

It is an interprime number because it is at equal distance from previous prime (2420052115219) and next prime (2420052115223).

It is not a de Polignac number, because 2420052115221 - 2¹ = 2420052115219 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2420052115223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 181433736 + ... + 181447073.

It is an arithmetic number, because the mean of its divisors is an integer number (127008283500).

Almost surely, 2^{2420052115221} is an apocalyptic number.

It is an amenable number.

2420052115221 is a deficient number, since it is larger than the sum of its proper divisors (1644212956779).

2420052115221 is a wasteful number, since it uses less digits than its factorization.

2420052115221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362880850 (or 362880844 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

Adding to 2420052115221 its reverse (1225112500242), we get a palindrome (3645164615463).

The spelling of 2420052115221 in words is "two trillion, four hundred twenty billion, fifty-two million, one hundred fifteen thousand, two hundred twenty-one".