2420022216645 has 48 divisors (see below), whose sum is σ = 4723656297984. Its totient is φ = 1135494288000.

The previous prime is 2420022216541. The next prime is 2420022216649. The reversal of 2420022216645 is 5466122200242.

2420022216645 is a `hidden beast` number, since 2 + 4 + 2 + 0 + 0 + 2 + 2 + 2 + 1 + 6 + 645 = 666.

It is not a de Polignac number, because 2420022216645 - 2⁸ = 2420022216389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2420022216649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 78838426 + ... + 78869115.

It is an arithmetic number, because the mean of its divisors is an integer number (98409506208).

Almost surely, 2^{2420022216645} is an apocalyptic number.

It is an amenable number.

2420022216645 is a deficient number, since it is larger than the sum of its proper divisors (2303634081339).

2420022216645 is a wasteful number, since it uses less digits than its factorization.

2420022216645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157707594 (or 157707591 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

Adding to 2420022216645 its reverse (5466122200242), we get a palindrome (7886144416887).

The spelling of 2420022216645 in words is "two trillion, four hundred twenty billion, twenty-two million, two hundred sixteen thousand, six hundred forty-five".