20522022105513 has 4 divisors (see below), whose sum is σ = 27362696140688. Its totient is φ = 13681348070340.

The previous prime is 20522022105491. The next prime is 20522022105547. The reversal of 20522022105513 is 31550122022502.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 20522022105513 - 2¹² = 20522022101417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20522022100513) 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 3 ways as a sum of consecutive naturals, for example, 3420337017583 + ... + 3420337017588.

It is an arithmetic number, because the mean of its divisors is an integer number (6840674035172).

Almost surely, 2^{20522022105513} is an apocalyptic number.

It is an amenable number.

20522022105513 is a deficient number, since it is larger than the sum of its proper divisors (6840674035175).

20522022105513 is an equidigital number, since it uses as much as digits as its factorization.

20522022105513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6840674035174.

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 20522022105513 in words is "twenty trillion, five hundred twenty-two billion, twenty-two million, one hundred five thousand, five hundred thirteen".