20288860583 has 2 divisors, whose sum is σ = 20288860584. Its totient is φ = 20288860582.

The previous prime is 20288860577. The next prime is 20288860609. The reversal of 20288860583 is 38506888202.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20288860583 is a prime.

It is a super-2 number, since 2×20288860583² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20288860283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10144430291 + 10144430292.

It is an arithmetic number, because the mean of its divisors is an integer number (10144430292).

Almost surely, 2^20288860583 is an apocalyptic number.

20288860583 is a deficient number, since it is larger than the sum of its proper divisors (1).

20288860583 is an equidigital number, since it uses as much as digits as its factorization.

20288860583 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1474560, while the sum is 50.

The spelling of 20288860583 in words is "twenty billion, two hundred eighty-eight million, eight hundred sixty thousand, five hundred eighty-three".