20174948229 has 16 divisors (see below), whose sum is σ = 27222261248. Its totient is φ = 13289260032.

The previous prime is 20174948221. The next prime is 20174948231. The reversal of 20174948229 is 92284947102.

It is a happy number.

It is not a de Polignac number, because 20174948229 - 2³ = 20174948221 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20174948221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119529 + ... + 233745.

It is an arithmetic number, because the mean of its divisors is an integer number (1701391328).

Almost surely, 2^20174948229 is an apocalyptic number.

It is an amenable number.

20174948229 is a deficient number, since it is larger than the sum of its proper divisors (7047313019).

20174948229 is a wasteful number, since it uses less digits than its factorization.

20174948229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114924.

The product of its (nonzero) digits is 580608, while the sum is 48.

The spelling of 20174948229 in words is "twenty billion, one hundred seventy-four million, nine hundred forty-eight thousand, two hundred twenty-nine".