20143343372 has 48 divisors (see below), whose sum is σ = 36285000192. Its totient is φ = 9780999360.

The previous prime is 20143343359. The next prime is 20143343377. The reversal of 20143343372 is 27334334102.

It is not an unprimeable number, because it can be changed into a prime (20143343377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18261773 + ... + 18262875.

It is an arithmetic number, because the mean of its divisors is an integer number (755937504).

Almost surely, 2^20143343372 is an apocalyptic number.

It is an amenable number.

20143343372 is a deficient number, since it is larger than the sum of its proper divisors (16141656820).

20143343372 is a wasteful number, since it uses less digits than its factorization.

20143343372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2078 (or 2076 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 32.

Adding to 20143343372 its reverse (27334334102), we get a palindrome (47477677474).

The spelling of 20143343372 in words is "twenty billion, one hundred forty-three million, three hundred forty-three thousand, three hundred seventy-two".