20035353685 has 16 divisors (see below), whose sum is σ = 24876368640. Its totient is φ = 15472537920.

The previous prime is 20035353647. The next prime is 20035353703. The reversal of 20035353685 is 58635353002.

It is not a de Polignac number, because 20035353685 - 2²⁷ = 19901135957 is a prime.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 970420 + ... + 990850.

It is an arithmetic number, because the mean of its divisors is an integer number (1554773040).

Almost surely, 2^20035353685 is an apocalyptic number.

It is an amenable number.

20035353685 is a deficient number, since it is larger than the sum of its proper divisors (4841014955).

20035353685 is a wasteful number, since it uses less digits than its factorization.

20035353685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27228.

The product of its (nonzero) digits is 324000, while the sum is 40.

The spelling of 20035353685 in words is "twenty billion, thirty-five million, three hundred fifty-three thousand, six hundred eighty-five".