20106246 has 16 divisors (see below), whose sum is σ = 40353264. Its totient is φ = 6678624.

The previous prime is 20106227. The next prime is 20106253. The reversal of 20106246 is 64260102.

It is a happy number.

It is a super-2 number, since 2×20106246² = 808522256425032, which contains 22 as substring.

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, 3961 + ... + 7476.

It is an arithmetic number, because the mean of its divisors is an integer number (2522079).

Almost surely, 2^20106246 is an apocalyptic number.

20106246 is an abundant number, since it is smaller than the sum of its proper divisors (20247018).

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

20106246 is a wasteful number, since it uses less digits than its factorization.

20106246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11735.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 20106246 is about 4483.9988849240. The cubic root of 20106246 is about 271.9215730493.

Adding to 20106246 its reverse (64260102), we get a palindrome (84366348).

It can be divided in two parts, 2010 and 6246, that added together give a triangular number (8256 = T₁₂₈).

The spelling of 20106246 in words is "twenty million, one hundred six thousand, two hundred forty-six".