20732067 has 6 divisors (see below), whose sum is σ = 29946332. Its totient is φ = 13821372.

The previous prime is 20732053. The next prime is 20732081. The reversal of 20732067 is 76023702.

It is an interprime number because it is at equal distance from previous prime (20732053) and next prime (20732081).

It is not a de Polignac number, because 20732067 - 2⁴ = 20732051 is a prime.

It is a Duffinian number.

It is a zygodrome in base 3.

It is a self number, because there is not a number n which added to its sum of digits gives 20732067.

It is not an unprimeable number, because it can be changed into a prime (20732567) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1151773 + ... + 1151790.

Almost surely, 2^20732067 is an apocalyptic number.

20732067 is a deficient number, since it is larger than the sum of its proper divisors (9214265).

20732067 is a wasteful number, since it uses less digits than its factorization.

20732067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2303569 (or 2303566 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 20732067 is about 4553.2479616204. The cubic root of 20732067 is about 274.7140476658.

Adding to 20732067 its reverse (76023702), we get a palindrome (96755769).

The spelling of 20732067 in words is "twenty million, seven hundred thirty-two thousand, sixty-seven".