20155204119 has 8 divisors (see below), whose sum is σ = 26882431600. Its totient is φ = 13432389696.

The previous prime is 20155204067. The next prime is 20155204127. The reversal of 20155204119 is 91140255102.

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

It is not a de Polignac number, because 20155204119 - 2²⁰ = 20154155543 is a prime.

It is a super-3 number, since 3×20155204119³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20155204159) 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 in 7 ways as a sum of consecutive naturals, for example, 1092592 + ... + 1110885.

It is an arithmetic number, because the mean of its divisors is an integer number (3360303950).

Almost surely, 2^20155204119 is an apocalyptic number.

20155204119 is a deficient number, since it is larger than the sum of its proper divisors (6727227481).

20155204119 is a wasteful number, since it uses less digits than its factorization.

20155204119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2206529.

The product of its (nonzero) digits is 3600, while the sum is 30.

The spelling of 20155204119 in words is "twenty billion, one hundred fifty-five million, two hundred four thousand, one hundred nineteen".