20004310573257 has 8 divisors (see below), whose sum is σ = 26681065557984. Its totient is φ = 13331881318688.

The previous prime is 20004310573243. The next prime is 20004310573309. The reversal of 20004310573257 is 75237501340002.

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 20004310573257 - 2⁴ = 20004310573241 is a prime.

It is a super-2 number, since 2×20004310573257² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20004310573217) 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, 1081421748 + ... + 1081440245.

It is an arithmetic number, because the mean of its divisors is an integer number (3335133194748).

Almost surely, 2^{20004310573257} is an apocalyptic number.

It is an amenable number.

20004310573257 is a deficient number, since it is larger than the sum of its proper divisors (6676754984727).

20004310573257 is a wasteful number, since it uses less digits than its factorization.

20004310573257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2162865079.

The product of its (nonzero) digits is 176400, while the sum is 39.

The spelling of 20004310573257 in words is "twenty trillion, four billion, three hundred ten million, five hundred seventy-three thousand, two hundred fifty-seven".