20040124223 has 24 divisors (see below), whose sum is σ = 24117093072. Its totient is φ = 16590801024.

The previous prime is 20040124219. The next prime is 20040124253. The reversal of 20040124223 is 32242104002.

It is not a de Polignac number, because 20040124223 - 2² = 20040124219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20040124195 and 20040124204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20040124213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 208040 + ... + 288722.

It is an arithmetic number, because the mean of its divisors is an integer number (1004878878).

Almost surely, 2^20040124223 is an apocalyptic number.

20040124223 is a deficient number, since it is larger than the sum of its proper divisors (4076968849).

20040124223 is a wasteful number, since it uses less digits than its factorization.

20040124223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80871 (or 80864 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 20040124223 its reverse (32242104002), we get a palindrome (52282228225).

The spelling of 20040124223 in words is "twenty billion, forty million, one hundred twenty-four thousand, two hundred twenty-three".