20313146144633 has 2 divisors, whose sum is σ = 20313146144634. Its totient is φ = 20313146144632.

The previous prime is 20313146144597. The next prime is 20313146144701. The reversal of 20313146144633 is 33644164131302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12029985854329 + 8283160290304 = 3468427^2 + 2878048^2 .

It is a cyclic number.

It is not a de Polignac number, because 20313146144633 - 2¹⁸ = 20313145882489 is a prime.

It is not a weakly prime, because it can be changed into another prime (20313146149633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10156573072316 + 10156573072317.

It is an arithmetic number, because the mean of its divisors is an integer number (10156573072317).

Almost surely, 2^{20313146144633} is an apocalyptic number.

It is an amenable number.

20313146144633 is a deficient number, since it is larger than the sum of its proper divisors (1).

20313146144633 is an equidigital number, since it uses as much as digits as its factorization.

20313146144633 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 373248, while the sum is 41.

The spelling of 20313146144633 in words is "twenty trillion, three hundred thirteen billion, one hundred forty-six million, one hundred forty-four thousand, six hundred thirty-three".