20348456573 has 8 divisors (see below), whose sum is σ = 20411171040. Its totient is φ = 20285796240.

The previous prime is 20348456563. The next prime is 20348456599. The reversal of 20348456573 is 37565484302.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20348456573 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 (20348456533) 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, 816686 + ... + 841232.

It is an arithmetic number, because the mean of its divisors is an integer number (2551396380).

Almost surely, 2^20348456573 is an apocalyptic number.

It is an amenable number.

20348456573 is a deficient number, since it is larger than the sum of its proper divisors (62714467).

20348456573 is a wasteful number, since it uses less digits than its factorization.

20348456573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27067.

The product of its (nonzero) digits is 2419200, while the sum is 47.

The spelling of 20348456573 in words is "twenty billion, three hundred forty-eight million, four hundred fifty-six thousand, five hundred seventy-three".