20047067 has 4 divisors (see below), whose sum is σ = 20163120. Its totient is φ = 19931016.

The previous prime is 20047037. The next prime is 20047121. The reversal of 20047067 is 76074002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76074002 = 2 ⋅38037001.

It is a cyclic number.

It is not a de Polignac number, because 20047067 - 2¹⁴ = 20030683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20047037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57767 + ... + 58112.

It is an arithmetic number, because the mean of its divisors is an integer number (5040780).

Almost surely, 2^20047067 is an apocalyptic number.

20047067 is a deficient number, since it is larger than the sum of its proper divisors (116053).

20047067 is a wasteful number, since it uses less digits than its factorization.

20047067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116052.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 20047067 is about 4477.3951132327. The cubic root of 20047067 is about 271.6545273326.

The spelling of 20047067 in words is "twenty million, forty-seven thousand, sixty-seven".