105017020 has 12 divisors (see below), whose sum is σ = 220535784. Its totient is φ = 42006800.

The previous prime is 105016999. The next prime is 105017039. The reversal of 105017020 is 20710501.

It is a super-2 number, since 2×105017020² = 22057148979360800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105016985 and 105017003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2625406 + ... + 2625445.

It is an arithmetic number, because the mean of its divisors is an integer number (18377982).

Almost surely, 2^105017020 is an apocalyptic number.

105017020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105017020 is an abundant number, since it is smaller than the sum of its proper divisors (115518764).

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

105017020 is a wasteful number, since it uses less digits than its factorization.

105017020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5250860 (or 5250858 counting only the distinct ones).

The product of its (nonzero) digits is 70, while the sum is 16.

The square root of 105017020 is about 10247.7812232697. The cubic root of 105017020 is about 471.7948871788.

Adding to 105017020 its reverse (20710501), we get a palindrome (125727521).

The spelling of 105017020 in words is "one hundred five million, seventeen thousand, twenty".