20867341 has 16 divisors (see below), whose sum is σ = 23525568. Its totient is φ = 18345600.

The previous prime is 20867333. The next prime is 20867369. The reversal of 20867341 is 14376802.

It is a cyclic number.

It is not a de Polignac number, because 20867341 - 2³ = 20867333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20864341) 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 15 ways as a sum of consecutive naturals, for example, 74121 + ... + 74401.

It is an arithmetic number, because the mean of its divisors is an integer number (1470348).

Almost surely, 2^20867341 is an apocalyptic number.

It is an amenable number.

20867341 is a deficient number, since it is larger than the sum of its proper divisors (2658227).

20867341 is a wasteful number, since it uses less digits than its factorization.

20867341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 20867341 is about 4568.0784800614. The cubic root of 20867341 is about 275.3102438033.

The spelling of 20867341 in words is "twenty million, eight hundred sixty-seven thousand, three hundred forty-one".