20522113151351 has 16 divisors (see below), whose sum is σ = 23556042888768. Its totient is φ = 17513743104000.

The previous prime is 20522113151327. The next prime is 20522113151359. The reversal of 20522113151351 is 15315131122502.

It is a cyclic number.

It is not a de Polignac number, because 20522113151351 - 2²² = 20522108957047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20522113151359) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 25041971 + ... + 25848491.

It is an arithmetic number, because the mean of its divisors is an integer number (1472252680548).

Almost surely, 2^{20522113151351} is an apocalyptic number.

20522113151351 is a deficient number, since it is larger than the sum of its proper divisors (3033929737417).

20522113151351 is a wasteful number, since it uses less digits than its factorization.

20522113151351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822362.

The product of its (nonzero) digits is 9000, while the sum is 32.

Adding to 20522113151351 its reverse (15315131122502), we get a palindrome (35837244273853).

The spelling of 20522113151351 in words is "twenty trillion, five hundred twenty-two billion, one hundred thirteen million, one hundred fifty-one thousand, three hundred fifty-one".