22120153505 has 8 divisors (see below), whose sum is σ = 26735150400. Its totient is φ = 17568812016.

The previous prime is 22120153493. The next prime is 22120153529. The reversal of 22120153505 is 50535102122.

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

It is a cyclic number.

It is not a de Polignac number, because 22120153505 - 2¹² = 22120149409 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15913085 + ... + 15914474.

It is an arithmetic number, because the mean of its divisors is an integer number (3341893800).

Almost surely, 2^22120153505 is an apocalyptic number.

It is an amenable number.

22120153505 is a deficient number, since it is larger than the sum of its proper divisors (4614996895).

22120153505 is a wasteful number, since it uses less digits than its factorization.

22120153505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31827703.

The product of its (nonzero) digits is 3000, while the sum is 26.

Adding to 22120153505 its reverse (50535102122), we get a palindrome (72655255627).

The spelling of 22120153505 in words is "twenty-two billion, one hundred twenty million, one hundred fifty-three thousand, five hundred five".