20601622219 has 8 divisors (see below), whose sum is σ = 20897769312. Its totient is φ = 20305851840.

The previous prime is 20601622213. The next prime is 20601622241. The reversal of 20601622219 is 91222610602.

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

It is a cyclic number.

It is not a de Polignac number, because 20601622219 - 2³ = 20601622211 is a prime.

It is a super-2 number, since 2×20601622219² (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 (20601622211) 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, 16917 + ... + 203689.

It is an arithmetic number, because the mean of its divisors is an integer number (2612221164).

Almost surely, 2^20601622219 is an apocalyptic number.

20601622219 is a deficient number, since it is larger than the sum of its proper divisors (296147093).

20601622219 is a wasteful number, since it uses less digits than its factorization.

20601622219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188357.

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 20601622219 in words is "twenty billion, six hundred one million, six hundred twenty-two thousand, two hundred nineteen".