20007582499 has 2 divisors, whose sum is σ = 20007582500. Its totient is φ = 20007582498.

The previous prime is 20007582487. The next prime is 20007582503. The reversal of 20007582499 is 99428570002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20007582499 - 2²³ = 19999193891 is a prime.

It is not a weakly prime, because it can be changed into another prime (20007586499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10003791249 + 10003791250.

It is an arithmetic number, because the mean of its divisors is an integer number (10003791250).

Almost surely, 2^20007582499 is an apocalyptic number.

20007582499 is a deficient number, since it is larger than the sum of its proper divisors (1).

20007582499 is an equidigital number, since it uses as much as digits as its factorization.

20007582499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 46.

The spelling of 20007582499 in words is "twenty billion, seven million, five hundred eighty-two thousand, four hundred ninety-nine".