20732223703 has 4 divisors (see below), whose sum is σ = 20805482728. Its totient is φ = 20658964680.

The previous prime is 20732223671. The next prime is 20732223719. The reversal of 20732223703 is 30732223702.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20732223703 - 2⁵ = 20732223671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20732223203) 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 3 ways as a sum of consecutive naturals, for example, 36629088 + ... + 36629653.

It is an arithmetic number, because the mean of its divisors is an integer number (5201370682).

Almost surely, 2^20732223703 is an apocalyptic number.

20732223703 is a deficient number, since it is larger than the sum of its proper divisors (73259025).

20732223703 is an equidigital number, since it uses as much as digits as its factorization.

20732223703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73259024.

The product of its (nonzero) digits is 21168, while the sum is 31.

Subtracting 20732223703 from its reverse (30732223702), we obtain a palindrome (9999999999).

The spelling of 20732223703 in words is "twenty billion, seven hundred thirty-two million, two hundred twenty-three thousand, seven hundred three".