202506106 has 16 divisors (see below), whose sum is σ = 340331040. Its totient is φ = 89560080.

The previous prime is 202506097. The next prime is 202506107. The reversal of 202506106 is 601605202.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (202506107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123576 + ... + 125203.

It is an arithmetic number, because the mean of its divisors is an integer number (21270690).

Almost surely, 2^202506106 is an apocalyptic number.

202506106 is a deficient number, since it is larger than the sum of its proper divisors (137824934).

202506106 is a wasteful number, since it uses less digits than its factorization.

202506106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248829.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 202506106 is about 14230.4640121115. The cubic root of 202506106 is about 587.2360483831.

The spelling of 202506106 in words is "two hundred two million, five hundred six thousand, one hundred six".