20097158407 has 2 divisors, whose sum is σ = 20097158408. Its totient is φ = 20097158406.

The previous prime is 20097158387. The next prime is 20097158461. The reversal of 20097158407 is 70485179002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20097158407 - 2¹⁹ = 20096634119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20097158507) 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, 10048579203 + 10048579204.

It is an arithmetic number, because the mean of its divisors is an integer number (10048579204).

Almost surely, 2^20097158407 is an apocalyptic number.

20097158407 is a deficient number, since it is larger than the sum of its proper divisors (1).

20097158407 is an equidigital number, since it uses as much as digits as its factorization.

20097158407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 141120, while the sum is 43.

The spelling of 20097158407 in words is "twenty billion, ninety-seven million, one hundred fifty-eight thousand, four hundred seven".