20052427221 has 12 divisors (see below), whose sum is σ = 29898960000. Its totient is φ = 12937049640.

The previous prime is 20052427211. The next prime is 20052427237. The reversal of 20052427221 is 12272425002.

It is not a de Polignac number, because 20052427221 - 2¹⁰ = 20052426197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20052427201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35935971 + ... + 35936528.

It is an arithmetic number, because the mean of its divisors is an integer number (2491580000).

Almost surely, 2^20052427221 is an apocalyptic number.

It is an amenable number.

20052427221 is a deficient number, since it is larger than the sum of its proper divisors (9846532779).

20052427221 is a wasteful number, since it uses less digits than its factorization.

20052427221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71872536 (or 71872533 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The spelling of 20052427221 in words is "twenty billion, fifty-two million, four hundred twenty-seven thousand, two hundred twenty-one".