20734152583 has 4 divisors (see below), whose sum is σ = 20734496568. Its totient is φ = 20733808600.

The previous prime is 20734152577. The next prime is 20734152613. The reversal of 20734152583 is 38525143702.

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 20734152583 - 2¹³ = 20734144391 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 (20734132583) 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, 55093 + ... + 210958.

It is an arithmetic number, because the mean of its divisors is an integer number (5183624142).

Almost surely, 2^20734152583 is an apocalyptic number.

20734152583 is a deficient number, since it is larger than the sum of its proper divisors (343985).

20734152583 is an equidigital number, since it uses as much as digits as its factorization.

20734152583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343984.

The product of its (nonzero) digits is 201600, while the sum is 40.

The spelling of 20734152583 in words is "twenty billion, seven hundred thirty-four million, one hundred fifty-two thousand, five hundred eighty-three".