20570203307121 has 64 divisors (see below), whose sum is σ = 32674999418880. Its totient is φ = 11400932632320.

The previous prime is 20570203307089. The next prime is 20570203307123. The reversal of 20570203307121 is 12170330207502.

It is not a de Polignac number, because 20570203307121 - 2⁵ = 20570203307089 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20570203307123) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8967751 + ... + 11025468.

It is an arithmetic number, because the mean of its divisors is an integer number (510546865920).

Almost surely, 2^{20570203307121} is an apocalyptic number.

It is an amenable number.

20570203307121 is a deficient number, since it is larger than the sum of its proper divisors (12104796111759).

20570203307121 is a wasteful number, since it uses less digits than its factorization.

20570203307121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19993326.

The product of its (nonzero) digits is 17640, while the sum is 33.

The spelling of 20570203307121 in words is "twenty trillion, five hundred seventy billion, two hundred three million, three hundred seven thousand, one hundred twenty-one".