20167061 has 2 divisors, whose sum is σ = 20167062. Its totient is φ = 20167060.

The previous prime is 20167033. The next prime is 20167073. The reversal of 20167061 is 16076102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18190225 + 1976836 = 4265^2 + 1406^2 .

It is a cyclic number.

It is not a de Polignac number, because 20167061 - 2¹⁴ = 20150677 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20167031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10083530 + 10083531.

It is an arithmetic number, because the mean of its divisors is an integer number (10083531).

Almost surely, 2^20167061 is an apocalyptic number.

It is an amenable number.

20167061 is a deficient number, since it is larger than the sum of its proper divisors (1).

20167061 is an equidigital number, since it uses as much as digits as its factorization.

20167061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 20167061 is about 4490.7751001358. The cubic root of 20167061 is about 272.1954558593.

The spelling of 20167061 in words is "twenty million, one hundred sixty-seven thousand, sixty-one".