20122267 has 8 divisors (see below), whose sum is σ = 22487472. Its totient is φ = 17846400.

The previous prime is 20122241. The next prime is 20122343. The reversal of 20122267 is 76222102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-20122267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20122867) 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, 21858 + ... + 22759.

It is an arithmetic number, because the mean of its divisors is an integer number (2810934).

Almost surely, 2^20122267 is an apocalyptic number.

20122267 is a deficient number, since it is larger than the sum of its proper divisors (2365205).

20122267 is a wasteful number, since it uses less digits than its factorization.

20122267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44669.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 20122267 is about 4485.7849926183. The cubic root of 20122267 is about 271.9937777916.

Adding to 20122267 its reverse (76222102), we get a palindrome (96344369).

The spelling of 20122267 in words is "twenty million, one hundred twenty-two thousand, two hundred sixty-seven".