20116631635 has 8 divisors (see below), whose sum is σ = 24388824096. Its totient is φ = 15927394560.

The previous prime is 20116631629. The next prime is 20116631651. The reversal of 20116631635 is 53613661102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20116631635 - 2³ = 20116631627 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20116631635.

It is an unprimeable number.

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, 20738311 + ... + 20739280.

It is an arithmetic number, because the mean of its divisors is an integer number (3048603012).

Almost surely, 2^20116631635 is an apocalyptic number.

20116631635 is a deficient number, since it is larger than the sum of its proper divisors (4272192461).

20116631635 is an equidigital number, since it uses as much as digits as its factorization.

20116631635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41477693.

The product of its (nonzero) digits is 19440, while the sum is 34.

The spelling of 20116631635 in words is "twenty billion, one hundred sixteen million, six hundred thirty-one thousand, six hundred thirty-five".