20932084 has 24 divisors (see below), whose sum is σ = 38926440. Its totient is φ = 9830016.

The previous prime is 20932069. The next prime is 20932103. The reversal of 20932084 is 48023902.

It can be written as a sum of positive squares in 4 ways, for example, as 5107600 + 15824484 = 2260^2 + 3978^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1854 + ... + 6730.

It is an arithmetic number, because the mean of its divisors is an integer number (1621935).

Almost surely, 2^20932084 is an apocalyptic number.

It is an amenable number.

20932084 is a deficient number, since it is larger than the sum of its proper divisors (17994356).

20932084 is a wasteful number, since it uses less digits than its factorization.

20932084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4947 (or 4945 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 20932084 is about 4575.1594507733. The cubic root of 20932084 is about 275.5946756470.

Adding to 20932084 its reverse (48023902), we get a palindrome (68955986).

The spelling of 20932084 in words is "twenty million, nine hundred thirty-two thousand, eighty-four".