20445114703 has 4 divisors (see below), whose sum is σ = 22017815848. Its totient is φ = 18872413560.

The previous prime is 20445114671. The next prime is 20445114709. The reversal of 20445114703 is 30741154402.

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

It is not a de Polignac number, because 20445114703 - 2⁵ = 20445114671 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 (20445114709) 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, 786350553 + ... + 786350578.

It is an arithmetic number, because the mean of its divisors is an integer number (5504453962).

Almost surely, 2^20445114703 is an apocalyptic number.

20445114703 is a deficient number, since it is larger than the sum of its proper divisors (1572701145).

20445114703 is a wasteful number, since it uses less digits than its factorization.

20445114703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1572701144.

The product of its (nonzero) digits is 13440, while the sum is 31.

The spelling of 20445114703 in words is "twenty billion, four hundred forty-five million, one hundred fourteen thousand, seven hundred three".