20257006024063 has 16 divisors (see below), whose sum is σ = 21012198958080. Its totient is φ = 19512977845536.

The previous prime is 20257006024061. The next prime is 20257006024091. The reversal of 20257006024063 is 36042060075202.

It is a cyclic number.

It is not a de Polignac number, because 20257006024063 - 2¹ = 20257006024061 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20257006024061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4650958 + ... + 7883236.

It is an arithmetic number, because the mean of its divisors is an integer number (1313262434880).

Almost surely, 2^{20257006024063} is an apocalyptic number.

20257006024063 is a deficient number, since it is larger than the sum of its proper divisors (755192934017).

20257006024063 is a wasteful number, since it uses less digits than its factorization.

20257006024063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3234006.

The product of its (nonzero) digits is 120960, while the sum is 37.

Adding to 20257006024063 its reverse (36042060075202), we get a palindrome (56299066099265).

The spelling of 20257006024063 in words is "twenty trillion, two hundred fifty-seven billion, six million, twenty-four thousand, sixty-three".