20125067 has 4 divisors (see below), whose sum is σ = 20320560. Its totient is φ = 19929576.

The previous prime is 20125057. The next prime is 20125073. The reversal of 20125067 is 76052102.

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

It is a cyclic number.

It is not a de Polignac number, because 20125067 - 2⁴ = 20125051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20125037) 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, 97592 + ... + 97797.

It is an arithmetic number, because the mean of its divisors is an integer number (5080140).

Almost surely, 2^20125067 is an apocalyptic number.

20125067 is a deficient number, since it is larger than the sum of its proper divisors (195493).

20125067 is a wasteful number, since it uses less digits than its factorization.

20125067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195492.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 20125067 is about 4486.0970787534. The cubic root of 20125067 is about 272.0063931240.

Adding to 20125067 its reverse (76052102), we get a palindrome (96177169).

The spelling of 20125067 in words is "twenty million, one hundred twenty-five thousand, sixty-seven".