20614943 has 4 divisors (see below), whose sum is σ = 21699960. Its totient is φ = 19529928.

The previous prime is 20614927. The next prime is 20614949. The reversal of 20614943 is 34941602.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34941602 = 2 ⋅17470801.

It is a cyclic number.

It is not a de Polignac number, because 20614943 - 2⁴ = 20614927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20614949) 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, 542480 + ... + 542517.

It is an arithmetic number, because the mean of its divisors is an integer number (5424990).

Almost surely, 2^20614943 is an apocalyptic number.

20614943 is a deficient number, since it is larger than the sum of its proper divisors (1085017).

20614943 is a wasteful number, since it uses less digits than its factorization.

20614943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1085016.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 20614943 is about 4540.3681568789. The cubic root of 20614943 is about 274.1957460721.

The spelling of 20614943 in words is "twenty million, six hundred fourteen thousand, nine hundred forty-three".