20473521703 has 8 divisors (see below), whose sum is σ = 21184285680. Its totient is φ = 19763076480.

The previous prime is 20473521671. The next prime is 20473521707. The reversal of 20473521703 is 30712537402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20473521703 - 2⁵ = 20473521671 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 (20473521707) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54876 + ... + 209662.

It is an arithmetic number, because the mean of its divisors is an integer number (2648035710).

Almost surely, 2^20473521703 is an apocalyptic number.

20473521703 is a deficient number, since it is larger than the sum of its proper divisors (710763977).

20473521703 is a wasteful number, since it uses less digits than its factorization.

20473521703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159377.

The product of its (nonzero) digits is 35280, while the sum is 34.

The spelling of 20473521703 in words is "twenty billion, four hundred seventy-three million, five hundred twenty-one thousand, seven hundred three".