20441231304 has 32 divisors (see below), whose sum is σ = 55034085120. Its totient is φ = 6289609536.

The previous prime is 20441231303. The next prime is 20441231309. The reversal of 20441231304 is 40313214402.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (20441231303) 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, 32758072 + ... + 32758695.

It is an arithmetic number, because the mean of its divisors is an integer number (1719815160).

Almost surely, 2^20441231304 is an apocalyptic number.

20441231304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20441231304 is an abundant number, since it is smaller than the sum of its proper divisors (34592853816).

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

20441231304 is a wasteful number, since it uses less digits than its factorization.

20441231304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65516789 (or 65516785 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 20441231304 its reverse (40313214402), we get a palindrome (60754445706).

The spelling of 20441231304 in words is "twenty billion, four hundred forty-one million, two hundred thirty-one thousand, three hundred four".