105513020 has 24 divisors (see below), whose sum is σ = 229219200. Its totient is φ = 40749632.

The previous prime is 105513019. The next prime is 105513041. The reversal of 105513020 is 20315501.

It is a super-2 number, since 2×105513020² = 22265994779040800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105513020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90380 + ... + 91539.

It is an arithmetic number, because the mean of its divisors is an integer number (9550800).

Almost surely, 2^105513020 is an apocalyptic number.

105513020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105513020 is an abundant number, since it is smaller than the sum of its proper divisors (123706180).

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

105513020 is a wasteful number, since it uses less digits than its factorization.

105513020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181957 (or 181955 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 105513020 is about 10271.9530762168. The cubic root of 105513020 is about 472.5364901878.

Adding to 105513020 its reverse (20315501), we get a palindrome (125828521).

The spelling of 105513020 in words is "one hundred five million, five hundred thirteen thousand, twenty".