20794932 has 18 divisors (see below), whose sum is σ = 52565058. Its totient is φ = 6931632.

The previous prime is 20794931. The next prime is 20794937. The reversal of 20794932 is 23949702.

It can be written as a sum of positive squares in only one way, i.e., 14107536 + 6687396 = 3756^2 + 2586^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 577637 = 20794932 / (2 + 0 + 7 + 9 + 4 + 9 + 3 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20794931) 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 5 ways as a sum of consecutive naturals, for example, 288783 + ... + 288854.

It is an arithmetic number, because the mean of its divisors is an integer number (2920281).

Almost surely, 2^20794932 is an apocalyptic number.

It is an amenable number.

20794932 is an abundant number, since it is smaller than the sum of its proper divisors (31770126).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20794932 is a wasteful number, since it uses less digits than its factorization.

20794932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577647 (or 577642 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 20794932 is about 4560.1460502927. The cubic root of 20794932 is about 274.9914355459.

The spelling of 20794932 in words is "twenty million, seven hundred ninety-four thousand, nine hundred thirty-two".