105020206 has 4 divisors (see below), whose sum is σ = 157530312. Its totient is φ = 52510102.

The previous prime is 105020197. The next prime is 105020213. The reversal of 105020206 is 602020501.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 602020501 = 491 ⋅1226111.

It is a super-2 number, since 2×105020206² = 22058487336564872, 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 105020206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26255050 + ... + 26255053.

It is an arithmetic number, because the mean of its divisors is an integer number (39382578).

Almost surely, 2^105020206 is an apocalyptic number.

105020206 is a deficient number, since it is larger than the sum of its proper divisors (52510106).

105020206 is an equidigital number, since it uses as much as digits as its factorization.

105020206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52510105.

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

The square root of 105020206 is about 10247.9366703742. The cubic root of 105020206 is about 471.7996582254.

Adding to 105020206 its reverse (602020501), we get a palindrome (707040707).

The spelling of 105020206 in words is "one hundred five million, twenty thousand, two hundred six".