20424884347 has 48 divisors (see below), whose sum is σ = 25643384832. Its totient is φ = 15916461120.

The previous prime is 20424884341. The next prime is 20424884371. The reversal of 20424884347 is 74348842402.

It is not a de Polignac number, because 20424884347 - 2⁷ = 20424884219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20424884297 and 20424884306.

It is not an unprimeable number, because it can be changed into a prime (20424884341) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9947773 + ... + 9949825.

It is an arithmetic number, because the mean of its divisors is an integer number (534237184).

Almost surely, 2^20424884347 is an apocalyptic number.

20424884347 is a deficient number, since it is larger than the sum of its proper divisors (5218500485).

20424884347 is a wasteful number, since it uses less digits than its factorization.

20424884347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2256 (or 2237 counting only the distinct ones).

The product of its (nonzero) digits is 1376256, while the sum is 46.

The spelling of 20424884347 in words is "twenty billion, four hundred twenty-four million, eight hundred eighty-four thousand, three hundred forty-seven".