20202018653 has 8 divisors (see below), whose sum is σ = 20366765760. Its totient is φ = 20037679200.

The previous prime is 20202018649. The next prime is 20202018701. The reversal of 20202018653 is 35681020202.

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 20202018653 - 2² = 20202018649 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202012653) 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, 2000 + ... + 201017.

It is an arithmetic number, because the mean of its divisors is an integer number (2545845720).

Almost surely, 2^20202018653 is an apocalyptic number.

It is an amenable number.

20202018653 is a deficient number, since it is larger than the sum of its proper divisors (164747107).

20202018653 is a wasteful number, since it uses less digits than its factorization.

20202018653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203827.

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 20202018653 its reverse (35681020202), we get a palindrome (55883038855).

The spelling of 20202018653 in words is "twenty billion, two hundred two million, eighteen thousand, six hundred fifty-three".