20537443662329 has 8 divisors (see below), whose sum is σ = 23583667363680. Its totient is φ = 17687750522400.

The previous prime is 20537443662283. The next prime is 20537443662343. The reversal of 20537443662329 is 92326634473502.

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 20537443662329 - 2¹² = 20537443658233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20537443662929) 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, 49132640132 + ... + 49132640549.

It is an arithmetic number, because the mean of its divisors is an integer number (2947958420460).

Almost surely, 2^{20537443662329} is an apocalyptic number.

It is an amenable number.

20537443662329 is a deficient number, since it is larger than the sum of its proper divisors (3046223701351).

20537443662329 is a wasteful number, since it uses less digits than its factorization.

20537443662329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98265280711.

The product of its (nonzero) digits is 39191040, while the sum is 56.

The spelling of 20537443662329 in words is "twenty trillion, five hundred thirty-seven billion, four hundred forty-three million, six hundred sixty-two thousand, three hundred twenty-nine".