20006723384057 has 8 divisors (see below), whose sum is σ = 20475617750784. Its totient is φ = 19541214536688.

The previous prime is 20006723384027. The next prime is 20006723384071. The reversal of 20006723384057 is 75048332760002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20006723384057 - 2²² = 20006719189753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20006723384027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 846367883 + ... + 846391520.

It is an arithmetic number, because the mean of its divisors is an integer number (2559452218848).

Almost surely, 2^{20006723384057} is an apocalyptic number.

It is an amenable number.

20006723384057 is a deficient number, since it is larger than the sum of its proper divisors (468894366727).

20006723384057 is a wasteful number, since it uses less digits than its factorization.

20006723384057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1692759679.

The product of its (nonzero) digits is 1693440, while the sum is 47.

The spelling of 20006723384057 in words is "twenty trillion, six billion, seven hundred twenty-three million, three hundred eighty-four thousand, fifty-seven".