20130520335 has 32 divisors (see below), whose sum is σ = 34434616320. Its totient is φ = 10006614528.

The previous prime is 20130520307. The next prime is 20130520337. The reversal of 20130520335 is 53302503102.

It is a happy number.

It is not a de Polignac number, because 20130520335 - 2⁹ = 20130519823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20130520337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 356955 + ... + 409484.

It is an arithmetic number, because the mean of its divisors is an integer number (1076081760).

Almost surely, 2^20130520335 is an apocalyptic number.

20130520335 is a deficient number, since it is larger than the sum of its proper divisors (14304095985).

20130520335 is a wasteful number, since it uses less digits than its factorization.

20130520335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766567.

The product of its (nonzero) digits is 2700, while the sum is 24.

The spelling of 20130520335 in words is "twenty billion, one hundred thirty million, five hundred twenty thousand, three hundred thirty-five".