20355051135 has 16 divisors (see below), whose sum is σ = 33691119840. Its totient is φ = 10481681280.

The previous prime is 20355051121. The next prime is 20355051151. The reversal of 20355051135 is 53115055302.

It is not a de Polignac number, because 20355051135 - 2⁷ = 20355051007 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23396176 + ... + 23397045.

It is an arithmetic number, because the mean of its divisors is an integer number (2105694990).

Almost surely, 2^20355051135 is an apocalyptic number.

20355051135 is a deficient number, since it is larger than the sum of its proper divisors (13336068705).

20355051135 is a wasteful number, since it uses less digits than its factorization.

20355051135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46793258.

The product of its (nonzero) digits is 11250, while the sum is 30.

The spelling of 20355051135 in words is "twenty billion, three hundred fifty-five million, fifty-one thousand, one hundred thirty-five".