20653044201 has 32 divisors (see below), whose sum is σ = 32442508800. Its totient is φ = 12940542720.

The previous prime is 20653044193. The next prime is 20653044211. The reversal of 20653044201 is 10244035602.

20653044201 is a `hidden beast` number, since 2 + 0 + 653 + 0 + 4 + 4 + 2 + 0 + 1 = 666.

It is not a de Polignac number, because 20653044201 - 2³ = 20653044193 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (20653044211) 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 31 ways as a sum of consecutive naturals, for example, 298731 + ... + 361311.

It is an arithmetic number, because the mean of its divisors is an integer number (1013828400).

Almost surely, 2^20653044201 is an apocalyptic number.

It is an amenable number.

20653044201 is a deficient number, since it is larger than the sum of its proper divisors (11789464599).

20653044201 is a wasteful number, since it uses less digits than its factorization.

20653044201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63326 (or 63320 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 20653044201 its reverse (10244035602), we get a palindrome (30897079803).

The spelling of 20653044201 in words is "twenty billion, six hundred fifty-three million, forty-four thousand, two hundred one".