20041243024 has 40 divisors (see below), whose sum is σ = 42371930880. Its totient is φ = 9107068800.

The previous prime is 20041243021. The next prime is 20041243031. The reversal of 20041243024 is 42034214002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 20041242986 and 20041243004.

It is not an unprimeable number, because it can be changed into a prime (20041243021) 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, 693537 + ... + 721855.

It is an arithmetic number, because the mean of its divisors is an integer number (1059298272).

Almost surely, 2^20041243024 is an apocalyptic number.

It is an amenable number.

20041243024 is an abundant number, since it is smaller than the sum of its proper divisors (22330687856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20041243024 is a wasteful number, since it uses less digits than its factorization.

20041243024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32359 (or 32353 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 20041243024 its reverse (42034214002), we get a palindrome (62075457026).

The spelling of 20041243024 in words is "twenty billion, forty-one million, two hundred forty-three thousand, twenty-four".