20004425252624 has 20 divisors (see below), whose sum is σ = 39393960386700. Its totient is φ = 9838241927040.

The previous prime is 20004425252561. The next prime is 20004425252629. The reversal of 20004425252624 is 42625252440002.

It can be written as a sum of positive squares in 2 ways, for example, as 1935804734224 + 18068620518400 = 1391332^2 + 4250720^2 .

It is not an unprimeable number, because it can be changed into a prime (20004425252629) 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, 10248167699 + ... + 10248169650.

It is an arithmetic number, because the mean of its divisors is an integer number (1969698019335).

Almost surely, 2^{20004425252624} is an apocalyptic number.

It is an amenable number.

20004425252624 is a deficient number, since it is larger than the sum of its proper divisors (19389535134076).

20004425252624 is a wasteful number, since it uses less digits than its factorization.

20004425252624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20496337418 (or 20496337412 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 38.

Adding to 20004425252624 its reverse (42625252440002), we get a palindrome (62629677692626).

The spelling of 20004425252624 in words is "twenty trillion, four billion, four hundred twenty-five million, two hundred fifty-two thousand, six hundred twenty-four".