20131573254337 has 8 divisors (see below), whose sum is σ = 20134221373952. Its totient is φ = 20128925325600.

The previous prime is 20131573254271. The next prime is 20131573254367. The reversal of 20131573254337 is 73345237513102.

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 20131573254337 - 2²⁷ = 20131439036609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20131573254367) 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, 388082512 + ... + 388134382.

It is an arithmetic number, because the mean of its divisors is an integer number (2516777671744).

Almost surely, 2^{20131573254337} is an apocalyptic number.

It is an amenable number.

20131573254337 is a deficient number, since it is larger than the sum of its proper divisors (2648119615).

20131573254337 is a wasteful number, since it uses less digits than its factorization.

20131573254337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95439.

The product of its (nonzero) digits is 1587600, while the sum is 46.

The spelling of 20131573254337 in words is "twenty trillion, one hundred thirty-one billion, five hundred seventy-three million, two hundred fifty-four thousand, three hundred thirty-seven".