20742426303 has 16 divisors (see below), whose sum is σ = 27771530880. Its totient is φ = 13770914976.

The previous prime is 20742426281. The next prime is 20742426389. The reversal of 20742426303 is 30362424702.

It is not a de Polignac number, because 20742426303 - 2⁹ = 20742425791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20742424303) 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, 756276 + ... + 783222.

It is an arithmetic number, because the mean of its divisors is an integer number (1735720680).

Almost surely, 2^20742426303 is an apocalyptic number.

20742426303 is a deficient number, since it is larger than the sum of its proper divisors (7029104577).

20742426303 is a wasteful number, since it uses less digits than its factorization.

20742426303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28006.

The product of its (nonzero) digits is 48384, while the sum is 33.

The spelling of 20742426303 in words is "twenty billion, seven hundred forty-two million, four hundred twenty-six thousand, three hundred three".