20331741623 has 8 divisors (see below), whose sum is σ = 21121288320. Its totient is φ = 19550550240.

The previous prime is 20331741589. The next prime is 20331741649. The reversal of 20331741623 is 32614713302.

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 20331741623 - 2¹⁰ = 20331740599 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20331741623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20331741223) 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, 2083868 + ... + 2093601.

It is an arithmetic number, because the mean of its divisors is an integer number (2640161040).

Almost surely, 2^20331741623 is an apocalyptic number.

20331741623 is a deficient number, since it is larger than the sum of its proper divisors (789546697).

20331741623 is a wasteful number, since it uses less digits than its factorization.

20331741623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4177657.

The product of its (nonzero) digits is 18144, while the sum is 32.

The spelling of 20331741623 in words is "twenty billion, three hundred thirty-one million, seven hundred forty-one thousand, six hundred twenty-three".