20143726430 has 32 divisors (see below), whose sum is σ = 37178292384. Its totient is φ = 7855076736.

The previous prime is 20143726429. The next prime is 20143726433. The reversal of 20143726430 is 3462734102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20143726433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37832 + ... + 204251.

It is an arithmetic number, because the mean of its divisors is an integer number (1161821637).

Almost surely, 2^20143726430 is an apocalyptic number.

20143726430 is a deficient number, since it is larger than the sum of its proper divisors (17034565954).

20143726430 is a wasteful number, since it uses less digits than its factorization.

20143726430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242300.

The product of its (nonzero) digits is 24192, while the sum is 32.

The spelling of 20143726430 in words is "twenty billion, one hundred forty-three million, seven hundred twenty-six thousand, four hundred thirty".