20200520113 has 8 divisors (see below), whose sum is σ = 21408964200. Its totient is φ = 18994318080.

The previous prime is 20200520101. The next prime is 20200520141. The reversal of 20200520113 is 31102500202.

It can be written as a sum of positive squares in 4 ways, for example, as 10033427889 + 10167092224 = 100167^2 + 100832^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 20200520113 - 2⁹ = 20200519601 is a prime.

It is a super-2 number, since 2×20200520113² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20200520513) by changing a digit.

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, 541938 + ... + 578011.

It is an arithmetic number, because the mean of its divisors is an integer number (2676120525).

Almost surely, 2^20200520113 is an apocalyptic number.

It is an amenable number.

20200520113 is a deficient number, since it is larger than the sum of its proper divisors (1208444087).

20200520113 is a wasteful number, since it uses less digits than its factorization.

20200520113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121027.

The product of its (nonzero) digits is 120, while the sum is 16.

The spelling of 20200520113 in words is "twenty billion, two hundred million, five hundred twenty thousand, one hundred thirteen".