20446260653 has 8 divisors (see below), whose sum is σ = 25164628608. Its totient is φ = 16177261104.

The previous prime is 20446260647. The next prime is 20446260671. The reversal of 20446260653 is 35606264402.

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 20446260653 - 2¹⁶ = 20446195117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20446260613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112342001 + ... + 112342182.

It is an arithmetic number, because the mean of its divisors is an integer number (3145578576).

Almost surely, 2^20446260653 is an apocalyptic number.

It is an amenable number.

20446260653 is a deficient number, since it is larger than the sum of its proper divisors (4718367955).

20446260653 is a wasteful number, since it uses less digits than its factorization.

20446260653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224684203.

The product of its (nonzero) digits is 207360, while the sum is 38.

The spelling of 20446260653 in words is "twenty billion, four hundred forty-six million, two hundred sixty thousand, six hundred fifty-three".