113143203620 has 48 divisors (see below), whose sum is σ = 245841024240. Its totient is φ = 43688300544.

The previous prime is 113143203619. The next prime is 113143203647. The reversal of 113143203620 is 26302341311.

It can be written as a sum of positive squares in 8 ways, for example, as 19167848704 + 93975354916 = 138448^2 + 306554^2 .

It is a super-2 number, since 2×113143203620² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 113143203620.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3613472 + ... + 3644648.

It is an arithmetic number, because the mean of its divisors is an integer number (5121688005).

Almost surely, 2^113143203620 is an apocalyptic number.

113143203620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113143203620 is an abundant number, since it is smaller than the sum of its proper divisors (132697820620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113143203620 is a wasteful number, since it uses less digits than its factorization.

113143203620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37472 (or 37470 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 113143203620 its reverse (26302341311), we get a palindrome (139445544931).

The spelling of 113143203620 in words is "one hundred thirteen billion, one hundred forty-three million, two hundred three thousand, six hundred twenty".