20841351 has 8 divisors (see below), whose sum is σ = 28379904. Its totient is φ = 13598520.

The previous prime is 20841341. The next prime is 20841361. The reversal of 20841351 is 15314802.

It is an interprime number because it is at equal distance from previous prime (20841341) and next prime (20841361).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20841351 - 2⁵ = 20841319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20841311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73765 + ... + 74046.

It is an arithmetic number, because the mean of its divisors is an integer number (3547488).

Almost surely, 2^20841351 is an apocalyptic number.

20841351 is a deficient number, since it is larger than the sum of its proper divisors (7538553).

20841351 is a wasteful number, since it uses less digits than its factorization.

20841351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147861.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 20841351 is about 4565.2328527688. The cubic root of 20841351 is about 275.1958978834.

The spelling of 20841351 in words is "twenty million, eight hundred forty-one thousand, three hundred fifty-one".