20937444610291 has 8 divisors (see below), whose sum is σ = 22841119378368. Its totient is φ = 19033814961000.

The previous prime is 20937444610249. The next prime is 20937444610339. The reversal of 20937444610291 is 19201644473902.

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 20937444610291 - 2²¹ = 20937442513139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20937444610211) 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, 10305745 + ... + 12168946.

It is an arithmetic number, because the mean of its divisors is an integer number (2855139922296).

Almost surely, 2^{20937444610291} is an apocalyptic number.

20937444610291 is a deficient number, since it is larger than the sum of its proper divisors (1903674768077).

20937444610291 is a wasteful number, since it uses less digits than its factorization.

20937444610291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22559393.

The product of its (nonzero) digits is 2612736, while the sum is 52.

The spelling of 20937444610291 in words is "twenty trillion, nine hundred thirty-seven billion, four hundred forty-four million, six hundred ten thousand, two hundred ninety-one".