20119229 has 8 divisors (see below), whose sum is σ = 21991200. Its totient is φ = 18293616.

The previous prime is 20119219. The next prime is 20119261. The reversal of 20119229 is 92291102.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20119229 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20119198 and 20119207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20119219) 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 in 7 ways as a sum of consecutive naturals, for example, 10679 + ... + 12420.

It is an arithmetic number, because the mean of its divisors is an integer number (2748900).

Almost surely, 2^20119229 is an apocalyptic number.

It is an amenable number.

20119229 is a deficient number, since it is larger than the sum of its proper divisors (1871971).

20119229 is a wasteful number, since it uses less digits than its factorization.

20119229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23179.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 20119229 is about 4485.4463546006. The cubic root of 20119229 is about 271.9800888323.

The spelling of 20119229 in words is "twenty million, one hundred nineteen thousand, two hundred twenty-nine".