20465061484387 has 16 divisors (see below), whose sum is σ = 22352586863040. Its totient is φ = 18622360310400.

The previous prime is 20465061484369. The next prime is 20465061484393. The reversal of 20465061484387 is 78348416056402.

It is a cyclic number.

It is not a de Polignac number, because 20465061484387 - 2³⁹ = 19915305670499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20465061484327) 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 15 ways as a sum of consecutive naturals, for example, 5765937 + ... + 8612557.

It is an arithmetic number, because the mean of its divisors is an integer number (1397036678940).

Almost surely, 2^{20465061484387} is an apocalyptic number.

20465061484387 is a deficient number, since it is larger than the sum of its proper divisors (1887525378653).

20465061484387 is a wasteful number, since it uses less digits than its factorization.

20465061484387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2854494.

The product of its (nonzero) digits is 30965760, while the sum is 58.

The spelling of 20465061484387 in words is "twenty trillion, four hundred sixty-five billion, sixty-one million, four hundred eighty-four thousand, three hundred eighty-seven".