20005761675747 has 16 divisors (see below), whose sum is σ = 27295162823808. Its totient is φ = 13026778403520.

The previous prime is 20005761675721. The next prime is 20005761675751. The reversal of 20005761675747 is 74757616750002.

It is not a de Polignac number, because 20005761675747 - 2¹⁹ = 20005761151459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20005761675047) 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, 6156172 + ... + 8826662.

It is an arithmetic number, because the mean of its divisors is an integer number (1705947676488).

Almost surely, 2^{20005761675747} is an apocalyptic number.

20005761675747 is a deficient number, since it is larger than the sum of its proper divisors (7289401148061).

20005761675747 is a wasteful number, since it uses less digits than its factorization.

20005761675747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2728610.

The product of its (nonzero) digits is 17287200, while the sum is 57.

The spelling of 20005761675747 in words is "twenty trillion, five billion, seven hundred sixty-one million, six hundred seventy-five thousand, seven hundred forty-seven".