20533512320122 has 8 divisors (see below), whose sum is σ = 30800388132000. Its totient is φ = 10266716276124.

The previous prime is 20533512320107. The next prime is 20533512320131. The reversal of 20533512320122 is 22102321533502.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19294222 + ... + 20330617.

It is an arithmetic number, because the mean of its divisors is an integer number (3850048516500).

Almost surely, 2^{20533512320122} is an apocalyptic number.

20533512320122 is a deficient number, since it is larger than the sum of its proper divisors (10266875811878).

20533512320122 is a wasteful number, since it uses less digits than its factorization.

20533512320122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39883940.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 20533512320122 its reverse (22102321533502), we get a palindrome (42635833853624).

The spelling of 20533512320122 in words is "twenty trillion, five hundred thirty-three billion, five hundred twelve million, three hundred twenty thousand, one hundred twenty-two".