20535353113 has 16 divisors (see below), whose sum is σ = 22811486400. Its totient is φ = 18328564800.

The previous prime is 20535353101. The next prime is 20535353117. The reversal of 20535353113 is 31135353502.

It is a cyclic number.

It is not a de Polignac number, because 20535353113 - 2⁹ = 20535352601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20535353117) 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 15 ways as a sum of consecutive naturals, for example, 339063 + ... + 395011.

It is an arithmetic number, because the mean of its divisors is an integer number (1425717900).

Almost surely, 2^20535353113 is an apocalyptic number.

It is an amenable number.

20535353113 is a deficient number, since it is larger than the sum of its proper divisors (2276133287).

20535353113 is a wasteful number, since it uses less digits than its factorization.

20535353113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56568.

The product of its (nonzero) digits is 20250, while the sum is 31.

The spelling of 20535353113 in words is "twenty billion, five hundred thirty-five million, three hundred fifty-three thousand, one hundred thirteen".