20154324193 has 8 divisors (see below), whose sum is σ = 20311606656. Its totient is φ = 19997094000.

The previous prime is 20154324181. The next prime is 20154324227. The reversal of 20154324193 is 39142345102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20154324193 - 2¹³ = 20154316001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20154354193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1184043 + ... + 1200943.

It is an arithmetic number, because the mean of its divisors is an integer number (2538950832).

Almost surely, 2^20154324193 is an apocalyptic number.

It is an amenable number.

20154324193 is a deficient number, since it is larger than the sum of its proper divisors (157282463).

20154324193 is a wasteful number, since it uses less digits than its factorization.

20154324193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26135.

The product of its (nonzero) digits is 25920, while the sum is 34.

Adding to 20154324193 its reverse (39142345102), we get a palindrome (59296669295).

The spelling of 20154324193 in words is "twenty billion, one hundred fifty-four million, three hundred twenty-four thousand, one hundred ninety-three".