20144047703 has 32 divisors (see below), whose sum is σ = 23883417600. Its totient is φ = 16810903296.

The previous prime is 20144047697. The next prime is 20144047727. The reversal of 20144047703 is 30774044102.

It is not a de Polignac number, because 20144047703 - 2¹⁴ = 20144031319 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20144047703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20144047403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2592338 + ... + 2600096.

It is an arithmetic number, because the mean of its divisors is an integer number (746356800).

Almost surely, 2^20144047703 is an apocalyptic number.

20144047703 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20144047703 is a deficient number, since it is larger than the sum of its proper divisors (3739369897).

20144047703 is a wasteful number, since it uses less digits than its factorization.

20144047703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8271.

The product of its (nonzero) digits is 18816, while the sum is 32.

The spelling of 20144047703 in words is "twenty billion, one hundred forty-four million, forty-seven thousand, seven hundred three".