20879046219 has 8 divisors (see below), whose sum is σ = 28798684560. Its totient is φ = 13439386016.

The previous prime is 20879046197. The next prime is 20879046259. The reversal of 20879046219 is 91264097802.

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

It is not a de Polignac number, because 20879046219 - 2⁸ = 20879045963 is a prime.

It is a super-2 number, since 2×20879046219² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20879046259) 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, 119994432 + ... + 119994605.

It is an arithmetic number, because the mean of its divisors is an integer number (3599835570).

Almost surely, 2^20879046219 is an apocalyptic number.

20879046219 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

20879046219 is a deficient number, since it is larger than the sum of its proper divisors (7919638341).

20879046219 is a wasteful number, since it uses less digits than its factorization.

20879046219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239989069.

The product of its (nonzero) digits is 435456, while the sum is 48.

The spelling of 20879046219 in words is "twenty billion, eight hundred seventy-nine million, forty-six thousand, two hundred nineteen".