20363938 has 8 divisors (see below), whose sum is σ = 34909632. Its totient is φ = 8727396.

The previous prime is 20363933. The next prime is 20363957. The reversal of 20363938 is 83936302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (20363933) 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 3 ways as a sum of consecutive naturals, for example, 727270 + ... + 727297.

It is an arithmetic number, because the mean of its divisors is an integer number (4363704).

Almost surely, 2^20363938 is an apocalyptic number.

20363938 is a deficient number, since it is larger than the sum of its proper divisors (14545694).

20363938 is a wasteful number, since it uses less digits than its factorization.

20363938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1454576.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 20363938 is about 4512.6420199258. The cubic root of 20363938 is about 273.0783407492.

The spelling of 20363938 in words is "twenty million, three hundred sixty-three thousand, nine hundred thirty-eight".