20144047403 has 2 divisors, whose sum is σ = 20144047404. Its totient is φ = 20144047402.

The previous prime is 20144047393. The next prime is 20144047421. The reversal of 20144047403 is 30474044102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20144047403 - 2¹⁰ = 20144046379 is a prime.

It is a super-2 number, since 2×20144047403² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20144047423) 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 as a sum of consecutive naturals, namely, 10072023701 + 10072023702.

It is an arithmetic number, because the mean of its divisors is an integer number (10072023702).

Almost surely, 2^20144047403 is an apocalyptic number.

20144047403 is a deficient number, since it is larger than the sum of its proper divisors (1).

20144047403 is an equidigital number, since it uses as much as digits as its factorization.

20144047403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10752, while the sum is 29.

The spelling of 20144047403 in words is "twenty billion, one hundred forty-four million, forty-seven thousand, four hundred three".