20324041240 has 16 divisors (see below), whose sum is σ = 45729092880. Its totient is φ = 8129616480.

The previous prime is 20324041237. The next prime is 20324041273. The reversal of 20324041240 is 4214042302.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254050476 + ... + 254050555.

It is an arithmetic number, because the mean of its divisors is an integer number (2858068305).

Almost surely, 2^20324041240 is an apocalyptic number.

20324041240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20324041240 is an abundant number, since it is smaller than the sum of its proper divisors (25405051640).

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

20324041240 is a wasteful number, since it uses less digits than its factorization.

20324041240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508101042 (or 508101038 counting only the distinct ones).

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

Adding to 20324041240 its reverse (4214042302), we get a palindrome (24538083542).

The spelling of 20324041240 in words is "twenty billion, three hundred twenty-four million, forty-one thousand, two hundred forty".