20146712643753 has 4 divisors (see below), whose sum is σ = 26862283525008. Its totient is φ = 13431141762500.

The previous prime is 20146712643749. The next prime is 20146712643763. The reversal of 20146712643753 is 35734621764102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20146712643753 - 2² = 20146712643749 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20146712643696 and 20146712643705.

It is not an unprimeable number, because it can be changed into a prime (20146712643763) 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, 3357785440623 + ... + 3357785440628.

It is an arithmetic number, because the mean of its divisors is an integer number (6715570881252).

Almost surely, 2^{20146712643753} is an apocalyptic number.

It is an amenable number.

20146712643753 is a deficient number, since it is larger than the sum of its proper divisors (6715570881255).

20146712643753 is an equidigital number, since it uses as much as digits as its factorization.

20146712643753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6715570881254.

The product of its (nonzero) digits is 5080320, while the sum is 51.

The spelling of 20146712643753 in words is "twenty trillion, one hundred forty-six billion, seven hundred twelve million, six hundred forty-three thousand, seven hundred fifty-three".