20654212441 has 8 divisors (see below), whose sum is σ = 22168745064. Its totient is φ = 19172966400.

The previous prime is 20654212421. The next prime is 20654212457. The reversal of 20654212441 is 14421245602.

It can be written as a sum of positive squares in 4 ways, for example, as 767290000 + 19886922441 = 27700^2 + 141021^2 .

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 20654212441 - 2¹⁵ = 20654179673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20654212421) 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, 8320360 + ... + 8322841.

It is an arithmetic number, because the mean of its divisors is an integer number (2771093133).

Almost surely, 2^20654212441 is an apocalyptic number.

It is an amenable number.

20654212441 is a deficient number, since it is larger than the sum of its proper divisors (1514532623).

20654212441 is a wasteful number, since it uses less digits than its factorization.

20654212441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16643291.

The product of its (nonzero) digits is 15360, while the sum is 31.

The spelling of 20654212441 in words is "twenty billion, six hundred fifty-four million, two hundred twelve thousand, four hundred forty-one".