20083406587 has 2 divisors, whose sum is σ = 20083406588. Its totient is φ = 20083406586.

The previous prime is 20083406491. The next prime is 20083406591. The reversal of 20083406587 is 78560438002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20083406587 - 2²³ = 20075017979 is a prime.

It is not a weakly prime, because it can be changed into another prime (20083406597) 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, 10041703293 + 10041703294.

It is an arithmetic number, because the mean of its divisors is an integer number (10041703294).

Almost surely, 2^20083406587 is an apocalyptic number.

20083406587 is a deficient number, since it is larger than the sum of its proper divisors (1).

20083406587 is an equidigital number, since it uses as much as digits as its factorization.

20083406587 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 322560, while the sum is 43.

The spelling of 20083406587 in words is "twenty billion, eighty-three million, four hundred six thousand, five hundred eighty-seven".