20531554322 has 8 divisors (see below), whose sum is σ = 30815855616. Its totient is φ = 10259602452.

The previous prime is 20531554321. The next prime is 20531554331. The reversal of 20531554322 is 22345513502.

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

It is not an unprimeable number, because it can be changed into a prime (20531554321) 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, 3083198 + ... + 3089849.

It is an arithmetic number, because the mean of its divisors is an integer number (3851981952).

Almost surely, 2^20531554322 is an apocalyptic number.

20531554322 is a deficient number, since it is larger than the sum of its proper divisors (10284301294).

20531554322 is a wasteful number, since it uses less digits than its factorization.

20531554322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6174712.

The product of its (nonzero) digits is 36000, while the sum is 32.

The spelling of 20531554322 in words is "twenty billion, five hundred thirty-one million, five hundred fifty-four thousand, three hundred twenty-two".