20084824842 has 32 divisors (see below), whose sum is σ = 41946906240. Its totient is φ = 6399159360.

The previous prime is 20084824813. The next prime is 20084824849. The reversal of 20084824842 is 24842848002.

It is a junction number, because it is equal to n+sod(n) for n = 20084824794 and 20084824803.

It is not an unprimeable number, because it can be changed into a prime (20084824849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137884 + ... + 243272.

It is an arithmetic number, because the mean of its divisors is an integer number (1310840820).

Almost surely, 2^20084824842 is an apocalyptic number.

20084824842 is an abundant number, since it is smaller than the sum of its proper divisors (21862081398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20084824842 is a wasteful number, since it uses less digits than its factorization.

20084824842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106798.

The product of its (nonzero) digits is 262144, while the sum is 42.

The spelling of 20084824842 in words is "twenty billion, eighty-four million, eight hundred twenty-four thousand, eight hundred forty-two".