20146756325147 has 2 divisors, whose sum is σ = 20146756325148. Its totient is φ = 20146756325146.

The previous prime is 20146756325141. The next prime is 20146756325167. The reversal of 20146756325147 is 74152365764102.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20146756325147 is a prime.

It is not a weakly prime, because it can be changed into another prime (20146756325141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10073378162573 + 10073378162574.

It is an arithmetic number, because the mean of its divisors is an integer number (10073378162574).

Almost surely, 2^{20146756325147} is an apocalyptic number.

20146756325147 is a deficient number, since it is larger than the sum of its proper divisors (1).

20146756325147 is an equidigital number, since it uses as much as digits as its factorization.

20146756325147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8467200, while the sum is 53.

The spelling of 20146756325147 in words is "twenty trillion, one hundred forty-six billion, seven hundred fifty-six million, three hundred twenty-five thousand, one hundred forty-seven".