20041684923 has 8 divisors (see below), whose sum is σ = 28777804048. Its totient is φ = 12333344544.

The previous prime is 20041684913. The next prime is 20041684951. The reversal of 20041684923 is 32948614002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20041684923 - 2²⁰ = 20040636347 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 513889357 = 20041684923 / (2 + 0 + 0 + 4 + 1 + 6 + 8 + 4 + 9 + 2 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20041684913) 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, 256944640 + ... + 256944717.

It is an arithmetic number, because the mean of its divisors is an integer number (3597225506).

Almost surely, 2^20041684923 is an apocalyptic number.

20041684923 is a deficient number, since it is larger than the sum of its proper divisors (8736119125).

20041684923 is a wasteful number, since it uses less digits than its factorization.

20041684923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513889373.

The product of its (nonzero) digits is 82944, while the sum is 39.

The spelling of 20041684923 in words is "twenty billion, forty-one million, six hundred eighty-four thousand, nine hundred twenty-three".