20622456610653 has 4 divisors (see below), whose sum is σ = 27496608814208. Its totient is φ = 13748304407100.

The previous prime is 20622456610633. The next prime is 20622456610681. The reversal of 20622456610653 is 35601665422602.

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 20622456610653 - 2⁸ = 20622456610397 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 (20622456610603) 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, 3437076101773 + ... + 3437076101778.

It is an arithmetic number, because the mean of its divisors is an integer number (6874152203552).

Almost surely, 2^{20622456610653} is an apocalyptic number.

It is an amenable number.

20622456610653 is a deficient number, since it is larger than the sum of its proper divisors (6874152203555).

20622456610653 is an equidigital number, since it uses as much as digits as its factorization.

20622456610653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6874152203554.

The product of its (nonzero) digits is 3110400, while the sum is 48.

The spelling of 20622456610653 in words is "twenty trillion, six hundred twenty-two billion, four hundred fifty-six million, six hundred ten thousand, six hundred fifty-three".