20067394 has 8 divisors (see below), whose sum is σ = 30914748. Its totient is φ = 9762480.

The previous prime is 20067379. The next prime is 20067407. The reversal of 20067394 is 49376002.

It can be written as a sum of positive squares in 2 ways, for example, as 16916769 + 3150625 = 4113^2 + 1775^2 .

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

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, 135517 + ... + 135664.

Almost surely, 2^20067394 is an apocalyptic number.

20067394 is a deficient number, since it is larger than the sum of its proper divisors (10847354).

20067394 is a wasteful number, since it uses less digits than its factorization.

20067394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271220.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 20067394 is about 4479.6644963658. The cubic root of 20067394 is about 271.7463122686.

The spelling of 20067394 in words is "twenty million, sixty-seven thousand, three hundred ninety-four".