20221672053373 has 4 divisors (see below), whose sum is σ = 23110482346720. Its totient is φ = 17332861760028.

The previous prime is 20221672053371. The next prime is 20221672053383. The reversal of 20221672053373 is 37335027612202.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 20221672053373 - 2¹ = 20221672053371 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 (20221672053371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1444405146663 + ... + 1444405146676.

It is an arithmetic number, because the mean of its divisors is an integer number (5777620586680).

Almost surely, 2^{20221672053373} is an apocalyptic number.

It is an amenable number.

20221672053373 is a deficient number, since it is larger than the sum of its proper divisors (2888810293347).

20221672053373 is an equidigital number, since it uses as much as digits as its factorization.

20221672053373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2888810293346.

The product of its (nonzero) digits is 635040, while the sum is 43.

Adding to 20221672053373 its reverse (37335027612202), we get a palindrome (57556699665575).

The spelling of 20221672053373 in words is "twenty trillion, two hundred twenty-one billion, six hundred seventy-two million, fifty-three thousand, three hundred seventy-three".