20376938 has 4 divisors (see below), whose sum is σ = 30565410. Its totient is φ = 10188468.

The previous prime is 20376907. The next prime is 20376947. The reversal of 20376938 is 83967302.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83967302 = 2 ⋅41983651.

It can be written as a sum of positive squares in only one way, i.e., 17530969 + 2845969 = 4187^2 + 1687^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5094233 + ... + 5094236.

Almost surely, 2^20376938 is an apocalyptic number.

20376938 is a deficient number, since it is larger than the sum of its proper divisors (10188472).

20376938 is a wasteful number, since it uses less digits than its factorization.

20376938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10188471.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 20376938 is about 4514.0821879979. The cubic root of 20376938 is about 273.1364379482.

The spelling of 20376938 in words is "twenty million, three hundred seventy-six thousand, nine hundred thirty-eight".