20150120593 has 2 divisors, whose sum is σ = 20150120594. Its totient is φ = 20150120592.

The previous prime is 20150120461. The next prime is 20150120603. The reversal of 20150120593 is 39502105102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20059623424 + 90497169 = 141632^2 + 9513^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20150120593 is a prime.

It is not a weakly prime, because it can be changed into another prime (20150120093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10075060296 + 10075060297.

It is an arithmetic number, because the mean of its divisors is an integer number (10075060297).

Almost surely, 2^20150120593 is an apocalyptic number.

It is an amenable number.

20150120593 is a deficient number, since it is larger than the sum of its proper divisors (1).

20150120593 is an equidigital number, since it uses as much as digits as its factorization.

20150120593 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2700, while the sum is 28.

Adding to 20150120593 its reverse (39502105102), we get a palindrome (59652225695).

The spelling of 20150120593 in words is "twenty billion, one hundred fifty million, one hundred twenty thousand, five hundred ninety-three".