20846130583 has 4 divisors (see below), whose sum is σ = 21139738128. Its totient is φ = 20552523040.

The previous prime is 20846130533. The next prime is 20846130589. The reversal of 20846130583 is 38503164802.

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 20846130583 - 2²⁵ = 20812576151 is a prime.

It is a super-2 number, since 2×20846130583² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20846130589) 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, 146803666 + ... + 146803807.

It is an arithmetic number, because the mean of its divisors is an integer number (5284934532).

Almost surely, 2^20846130583 is an apocalyptic number.

20846130583 is a deficient number, since it is larger than the sum of its proper divisors (293607545).

20846130583 is an equidigital number, since it uses as much as digits as its factorization.

20846130583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293607544.

The product of its (nonzero) digits is 138240, while the sum is 40.

The spelling of 20846130583 in words is "twenty billion, eight hundred forty-six million, one hundred thirty thousand, five hundred eighty-three".