4640220624020 has 12 divisors (see below), whose sum is σ = 9744463310484. Its totient is φ = 1856088249600.

The previous prime is 4640220623971. The next prime is 4640220624023. The reversal of 4640220624020 is 204260220464.

It can be written as a sum of positive squares in 2 ways, for example, as 929442533776 + 3710778090244 = 964076^2 + 1926338^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4640220624023) 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 3 ways as a sum of consecutive naturals, for example, 116005515581 + ... + 116005515620.

It is an arithmetic number, because the mean of its divisors is an integer number (812038609207).

Almost surely, 2^{4640220624020} is an apocalyptic number.

It is an amenable number.

4640220624020 is an abundant number, since it is smaller than the sum of its proper divisors (5104242686464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4640220624020 is a wasteful number, since it uses less digits than its factorization.

4640220624020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232011031210 (or 232011031208 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 4640220624020 its reverse (204260220464), we get a palindrome (4844480844484).

The spelling of 4640220624020 in words is "four trillion, six hundred forty billion, two hundred twenty million, six hundred twenty-four thousand, twenty".