20706441 has 16 divisors (see below), whose sum is σ = 31617408. Its totient is φ = 11808000.

The previous prime is 20706431. The next prime is 20706449. The reversal of 20706441 is 14460702.

It is not a de Polignac number, because 20706441 - 2⁹ = 20705929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20706449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16641 + ... + 17841.

It is an arithmetic number, because the mean of its divisors is an integer number (1976088).

Almost surely, 2^20706441 is an apocalyptic number.

20706441 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20706441 is a deficient number, since it is larger than the sum of its proper divisors (10910967).

20706441 is a wasteful number, since it uses less digits than its factorization.

20706441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2032.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 20706441 is about 4550.4330563145. The cubic root of 20706441 is about 274.6008136643.

The spelling of 20706441 in words is "twenty million, seven hundred six thousand, four hundred forty-one".