20144342195 has 16 divisors (see below), whose sum is σ = 25447459392. Its totient is φ = 15278376960.

The previous prime is 20144342173. The next prime is 20144342201. The reversal of 20144342195 is 59124344102.

It is not a de Polignac number, because 20144342195 - 2⁸ = 20144341939 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 762086 + ... + 788075.

It is an arithmetic number, because the mean of its divisors is an integer number (1590466212).

Almost surely, 2^20144342195 is an apocalyptic number.

20144342195 is a deficient number, since it is larger than the sum of its proper divisors (5303117197).

20144342195 is a wasteful number, since it uses less digits than its factorization.

20144342195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1550302.

The product of its (nonzero) digits is 34560, while the sum is 35.

Adding to 20144342195 its reverse (59124344102), we get a palindrome (79268686297).

The spelling of 20144342195 in words is "twenty billion, one hundred forty-four million, three hundred forty-two thousand, one hundred ninety-five".