20941943 has 16 divisors (see below), whose sum is σ = 24657696. Its totient is φ = 17571840.

The previous prime is 20941927. The next prime is 20941981. The reversal of 20941943 is 34914902.

It is a happy number.

It is not a de Polignac number, because 20941943 - 2⁴ = 20941927 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 (20941913) 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, 8855 + ... + 10967.

It is an arithmetic number, because the mean of its divisors is an integer number (1541106).

Almost surely, 2^20941943 is an apocalyptic number.

20941943 is a deficient number, since it is larger than the sum of its proper divisors (3715753).

20941943 is a wasteful number, since it uses less digits than its factorization.

20941943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2194.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 20941943 is about 4576.2367727206. The cubic root of 20941943 is about 275.6379371690.

The spelling of 20941943 in words is "twenty million, nine hundred forty-one thousand, nine hundred forty-three".