20441227651 has 8 divisors (see below), whose sum is σ = 22772720880. Its totient is φ = 18218176032.

The previous prime is 20441227619. The next prime is 20441227657. The reversal of 20441227651 is 15672214402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20441227651 - 2⁵ = 20441227619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20441227657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27110005 + ... + 27110758.

It is an arithmetic number, because the mean of its divisors is an integer number (2846590110).

Almost surely, 2^20441227651 is an apocalyptic number.

20441227651 is a deficient number, since it is larger than the sum of its proper divisors (2331493229).

20441227651 is a wasteful number, since it uses less digits than its factorization.

20441227651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54220805.

The product of its (nonzero) digits is 26880, while the sum is 34.

The spelling of 20441227651 in words is "twenty billion, four hundred forty-one million, two hundred twenty-seven thousand, six hundred fifty-one".