20617154607022 has 16 divisors (see below), whose sum is σ = 30981167636832. Its totient is φ = 10290115164160.

The previous prime is 20617154606929. The next prime is 20617154607103. The reversal of 20617154607022 is 22070645171602.

It is a self number, because there is not a number n which added to its sum of digits gives 20617154607022.

It is a congruent 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, 1598443 + ... + 6617350.

It is an arithmetic number, because the mean of its divisors is an integer number (1936322977302).

Almost surely, 2^{20617154607022} is an apocalyptic number.

20617154607022 is a deficient number, since it is larger than the sum of its proper divisors (10364013029810).

20617154607022 is a wasteful number, since it uses less digits than its factorization.

20617154607022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8218043.

The product of its (nonzero) digits is 282240, while the sum is 43.

Adding to 20617154607022 its reverse (22070645171602), we get a palindrome (42687799778624).

The spelling of 20617154607022 in words is "twenty trillion, six hundred seventeen billion, one hundred fifty-four million, six hundred seven thousand, twenty-two".