20412706 has 16 divisors (see below), whose sum is σ = 31187520. Its totient is φ = 10018800.

The previous prime is 20412703. The next prime is 20412709. The reversal of 20412706 is 60721402.

It is an interprime number because it is at equal distance from previous prime (20412703) and next prime (20412709).

It is not an unprimeable number, because it can be changed into a prime (20412703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27715 + ... + 28441.

It is an arithmetic number, because the mean of its divisors is an integer number (1949220).

Almost surely, 2^20412706 is an apocalyptic number.

20412706 is a deficient number, since it is larger than the sum of its proper divisors (10774814).

20412706 is a wasteful number, since it uses less digits than its factorization.

20412706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 20412706 is about 4518.0422751453. The cubic root of 20412706 is about 273.2961582729.

The spelling of 20412706 in words is "twenty million, four hundred twelve thousand, seven hundred six".