20143401432 has 192 divisors, whose sum is σ = 63847660800. Its totient is φ = 5183481600.

The previous prime is 20143401431. The next prime is 20143401457. The reversal of 20143401432 is 23410434102.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20143401431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2211207 + ... + 2220297.

It is an arithmetic number, because the mean of its divisors is an integer number (332539900).

Almost surely, 2^20143401432 is an apocalyptic number.

20143401432 is a gapful number since it is divisible by the number (22) 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 20143401432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31923830400).

20143401432 is an abundant number, since it is smaller than the sum of its proper divisors (43704259368).

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

20143401432 is a wasteful number, since it uses less digits than its factorization.

20143401432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9238 (or 9223 counting only the distinct ones).

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

Adding to 20143401432 its reverse (23410434102), we get a palindrome (43553835534).

The spelling of 20143401432 in words is "twenty billion, one hundred forty-three million, four hundred one thousand, four hundred thirty-two".