20143224142400 has 168 divisors, whose sum is σ = 49986844908000. Its totient is φ = 7988853473280.

The previous prime is 20143224142387. The next prime is 20143224142469. The reversal of 20143224142400 is 424142234102.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 170966711 + ... + 171084489.

It is an arithmetic number, because the mean of its divisors is an integer number (297540743500).

Almost surely, 2^{20143224142400} is an apocalyptic number.

20143224142400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20143224142400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24993422454000).

20143224142400 is an abundant number, since it is smaller than the sum of its proper divisors (29843620765600).

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

20143224142400 is a wasteful number, since it uses less digits than its factorization.

20143224142400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118709 (or 118694 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 20143224142400 its reverse (424142234102), we get a palindrome (20567366376502).

The spelling of 20143224142400 in words is "twenty trillion, one hundred forty-three billion, two hundred twenty-four million, one hundred forty-two thousand, four hundred".