20841701 has 4 divisors (see below), whose sum is σ = 21105600. Its totient is φ = 20577804.

The previous prime is 20841683. The next prime is 20841739. The reversal of 20841701 is 10714802.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20841701 - 2⁶ = 20841637 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20841761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131831 + ... + 131988.

It is an arithmetic number, because the mean of its divisors is an integer number (5276400).

Almost surely, 2^20841701 is an apocalyptic number.

It is an amenable number.

20841701 is a deficient number, since it is larger than the sum of its proper divisors (263899).

20841701 is an equidigital number, since it uses as much as digits as its factorization.

20841701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263898.

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 20841701 is about 4565.2711858114. The cubic root of 20841701 is about 275.1974383790.

The spelling of 20841701 in words is "twenty million, eight hundred forty-one thousand, seven hundred one".