20093396 has 12 divisors (see below), whose sum is σ = 35645652. Its totient is φ = 9908928.

The previous prime is 20093389. The next prime is 20093401. The reversal of 20093396 is 69339002.

It can be written as a sum of positive squares in 2 ways, for example, as 16924996 + 3168400 = 4114^2 + 1780^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34115 + ... + 34698.

It is an arithmetic number, because the mean of its divisors is an integer number (2970471).

Almost surely, 2^20093396 is an apocalyptic number.

It is an amenable number.

20093396 is a deficient number, since it is larger than the sum of its proper divisors (15552256).

20093396 is a wasteful number, since it uses less digits than its factorization.

20093396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68890 (or 68888 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 32.

The square root of 20093396 is about 4482.5657831202. The cubic root of 20093396 is about 271.8636319023.

The spelling of 20093396 in words is "twenty million, ninety-three thousand, three hundred ninety-six".