20477562583 has 2 divisors, whose sum is σ = 20477562584. Its totient is φ = 20477562582.

The previous prime is 20477562577. The next prime is 20477562601. The reversal of 20477562583 is 38526577402.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20477562583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20477562503) 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 as a sum of consecutive naturals, namely, 10238781291 + 10238781292.

It is an arithmetic number, because the mean of its divisors is an integer number (10238781292).

Almost surely, 2^20477562583 is an apocalyptic number.

20477562583 is a deficient number, since it is larger than the sum of its proper divisors (1).

20477562583 is an equidigital number, since it uses as much as digits as its factorization.

20477562583 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2822400, while the sum is 49.

The spelling of 20477562583 in words is "twenty billion, four hundred seventy-seven million, five hundred sixty-two thousand, five hundred eighty-three".