20067238 has 4 divisors (see below), whose sum is σ = 30100860. Its totient is φ = 10033618.

The previous prime is 20067233. The next prime is 20067239. The reversal of 20067238 is 83276002.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20067233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5016808 + ... + 5016811.

It is an arithmetic number, because the mean of its divisors is an integer number (7525215).

Almost surely, 2^20067238 is an apocalyptic number.

20067238 is a deficient number, since it is larger than the sum of its proper divisors (10033622).

20067238 is a wasteful number, since it uses less digits than its factorization.

20067238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10033621.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 20067238 is about 4479.6470843137. The cubic root of 20067238 is about 271.7456080992.

The spelling of 20067238 in words is "twenty million, sixty-seven thousand, two hundred thirty-eight".