20049238 has 16 divisors (see below), whose sum is σ = 34235136. Its totient is φ = 8716840.

The previous prime is 20049233. The next prime is 20049241. The reversal of 20049238 is 83294002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20049233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19306 + ... + 20317.

It is an arithmetic number, because the mean of its divisors is an integer number (2139696).

Almost surely, 2^20049238 is an apocalyptic number.

20049238 is a deficient number, since it is larger than the sum of its proper divisors (14185898).

20049238 is a wasteful number, since it uses less digits than its factorization.

20049238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39659.

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

The square root of 20049238 is about 4477.6375467427. The cubic root of 20049238 is about 271.6643332673.

The spelling of 20049238 in words is "twenty million, forty-nine thousand, two hundred thirty-eight".