20486622044 has 12 divisors (see below), whose sum is σ = 40973244144. Its totient is φ = 8779980864.

The previous prime is 20486622041. The next prime is 20486622059. The reversal of 20486622044 is 44022668402.

20486622044 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 20486621989 and 20486622007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20486622041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 365832509 + ... + 365832564.

It is an arithmetic number, because the mean of its divisors is an integer number (3414437012).

Almost surely, 2^20486622044 is an apocalyptic number.

It is an amenable number.

20486622044 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20486622044 is a wasteful number, since it uses less digits than its factorization.

20486622044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731665084 (or 731665082 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 38.

The spelling of 20486622044 in words is "twenty billion, four hundred eighty-six million, six hundred twenty-two thousand, forty-four".