20364241501275 has 48 divisors (see below), whose sum is σ = 38479614480384. Its totient is φ = 9309150938880.

The previous prime is 20364241501237. The next prime is 20364241501277. The reversal of 20364241501275 is 57210514246302.

It is a happy number.

It is not a de Polignac number, because 20364241501275 - 2⁶ = 20364241501211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20364241501277) 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 47 ways as a sum of consecutive naturals, for example, 23326039 + ... + 24183311.

It is an arithmetic number, because the mean of its divisors is an integer number (801658635008).

Almost surely, 2^{20364241501275} is an apocalyptic number.

20364241501275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20364241501275 is a deficient number, since it is larger than the sum of its proper divisors (18115372979109).

20364241501275 is a wasteful number, since it uses less digits than its factorization.

20364241501275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902540 (or 902535 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 42.

Adding to 20364241501275 its reverse (57210514246302), we get a palindrome (77574755747577).

The spelling of 20364241501275 in words is "twenty trillion, three hundred sixty-four billion, two hundred forty-one million, five hundred one thousand, two hundred seventy-five".