20567422 has 16 divisors (see below), whose sum is σ = 31467744. Its totient is φ = 10080000.

The previous prime is 20567411. The next prime is 20567423. The reversal of 20567422 is 22476502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20567423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33922 + ... + 34522.

It is an arithmetic number, because the mean of its divisors is an integer number (1966734).

Almost surely, 2^20567422 is an apocalyptic number.

20567422 is a deficient number, since it is larger than the sum of its proper divisors (10900322).

20567422 is a wasteful number, since it uses less digits than its factorization.

20567422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 20567422 is about 4535.1319716189. The cubic root of 20567422 is about 273.9848944733.

The spelling of 20567422 in words is "twenty million, five hundred sixty-seven thousand, four hundred twenty-two".