20004140223 has 12 divisors (see below), whose sum is σ = 29041546248. Its totient is φ = 13268396400.

The previous prime is 20004140179. The next prime is 20004140249. The reversal of 20004140223 is 32204140002.

20004140223 is a `hidden beast` number, since 200 + 0 + 41 + 402 + 23 = 666.

It is not a de Polignac number, because 20004140223 - 2¹⁶ = 20004074687 is a prime.

It is a super-2 number, since 2×20004140223² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20004140196 and 20004140205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20004140323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5639553 + ... + 5643098.

It is an arithmetic number, because the mean of its divisors is an integer number (2420128854).

Almost surely, 2^20004140223 is an apocalyptic number.

20004140223 is a deficient number, since it is larger than the sum of its proper divisors (9037406025).

20004140223 is a wasteful number, since it uses less digits than its factorization.

20004140223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11282854 (or 11282851 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 20004140223 its reverse (32204140002), we get a palindrome (52208280225).

The spelling of 20004140223 in words is "twenty billion, four million, one hundred forty thousand, two hundred twenty-three".