20948589219 has 8 divisors (see below), whose sum is σ = 28686356560. Its totient is φ = 13588274016.

The previous prime is 20948589217. The next prime is 20948589257. The reversal of 20948589219 is 91298584902.

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

It is not a de Polignac number, because 20948589219 - 2¹ = 20948589217 is a prime.

It is a super-2 number, since 2×20948589219² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20948589217) 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, 94362904 + ... + 94363125.

It is an arithmetic number, because the mean of its divisors is an integer number (3585794570).

Almost surely, 2^20948589219 is an apocalyptic number.

20948589219 is a deficient number, since it is larger than the sum of its proper divisors (7737767341).

20948589219 is a wasteful number, since it uses less digits than its factorization.

20948589219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188726069.

The product of its (nonzero) digits is 3732480, while the sum is 57.

The spelling of 20948589219 in words is "twenty billion, nine hundred forty-eight million, five hundred eighty-nine thousand, two hundred nineteen".