20522150214355 has 4 divisors (see below), whose sum is σ = 24626580257232. Its totient is φ = 16417720171480.

The previous prime is 20522150214337. The next prime is 20522150214361. The reversal of 20522150214355 is 55341205122502.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 20522150214355 - 2⁷ = 20522150214227 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2052215021431 + ... + 2052215021440.

It is an arithmetic number, because the mean of its divisors is an integer number (6156645064308).

Almost surely, 2^{20522150214355} is an apocalyptic number.

20522150214355 is a deficient number, since it is larger than the sum of its proper divisors (4104430042877).

20522150214355 is an equidigital number, since it uses as much as digits as its factorization.

20522150214355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4104430042876.

The product of its (nonzero) digits is 120000, while the sum is 37.

Adding to 20522150214355 its reverse (55341205122502), we get a palindrome (75863355336857).

The spelling of 20522150214355 in words is "twenty trillion, five hundred twenty-two billion, one hundred fifty million, two hundred fourteen thousand, three hundred fifty-five".