20846606 has 12 divisors (see below), whose sum is σ = 34371456. Its totient is φ = 9475620.

The previous prime is 20846587. The next prime is 20846611. The reversal of 20846606 is 60664802.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42830 + ... + 43313.

It is an arithmetic number, because the mean of its divisors is an integer number (2864288).

Almost surely, 2^20846606 is an apocalyptic number.

20846606 is a deficient number, since it is larger than the sum of its proper divisors (13524850).

20846606 is a wasteful number, since it uses less digits than its factorization.

20846606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86167 (or 86156 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 20846606 is about 4565.8083621633. The cubic root of 20846606 is about 275.2190255094.

The spelling of 20846606 in words is "twenty million, eight hundred forty-six thousand, six hundred six".