20047236219 has 24 divisors (see below), whose sum is σ = 29191518720. Its totient is φ = 13256813232.

The previous prime is 20047236199. The next prime is 20047236257. The reversal of 20047236219 is 91263274002.

20047236219 is a `hidden beast` number, since 2 + 0 + 0 + 4 + 7 + 23 + 621 + 9 = 666.

It is not a de Polignac number, because 20047236219 - 2⁹ = 20047235707 is a prime.

It is a super-2 number, since 2×20047236219² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20047236269) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1523422 + ... + 1536524.

It is an arithmetic number, because the mean of its divisors is an integer number (1216313280).

Almost surely, 2^20047236219 is an apocalyptic number.

20047236219 is a deficient number, since it is larger than the sum of its proper divisors (9144282501).

20047236219 is a wasteful number, since it uses less digits than its factorization.

20047236219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14471 (or 14468 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The spelling of 20047236219 in words is "twenty billion, forty-seven million, two hundred thirty-six thousand, two hundred nineteen".