20041231124 has 12 divisors (see below), whose sum is σ = 35282168544. Its totient is φ = 9960611544.

The previous prime is 20041231123. The next prime is 20041231129. The reversal of 20041231124 is 42113214002.

It is a junction number, because it is equal to n+sod(n) for n = 20041231096 and 20041231105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20041231121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15000254 + ... + 15001589.

It is an arithmetic number, because the mean of its divisors is an integer number (2940180712).

Almost surely, 2^20041231124 is an apocalyptic number.

It is an amenable number.

20041231124 is a deficient number, since it is larger than the sum of its proper divisors (15240937420).

20041231124 is a wasteful number, since it uses less digits than its factorization.

20041231124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30002014 (or 30002012 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 20041231124 its reverse (42113214002), we get a palindrome (62154445126).

The spelling of 20041231124 in words is "twenty billion, forty-one million, two hundred thirty-one thousand, one hundred twenty-four".