20765067 has 16 divisors (see below), whose sum is σ = 29096448. Its totient is φ = 13147200.

The previous prime is 20765051. The next prime is 20765077. The reversal of 20765067 is 76056702.

It is not a de Polignac number, because 20765067 - 2⁴ = 20765051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20765027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9423 + ... + 11415.

It is an arithmetic number, because the mean of its divisors is an integer number (1818528).

Almost surely, 2^20765067 is an apocalyptic number.

20765067 is a deficient number, since it is larger than the sum of its proper divisors (8331381).

20765067 is a wasteful number, since it uses less digits than its factorization.

20765067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2170.

The product of its (nonzero) digits is 17640, while the sum is 33.

The square root of 20765067 is about 4556.8703075686. The cubic root of 20765067 is about 274.8597279112.

The spelling of 20765067 in words is "twenty million, seven hundred sixty-five thousand, sixty-seven".