20327122 has 4 divisors (see below), whose sum is σ = 30490686. Its totient is φ = 10163560.

The previous prime is 20327117. The next prime is 20327123. The reversal of 20327122 is 22172302.

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

It can be written as a sum of positive squares in only one way, i.e., 20259001 + 68121 = 4501^2 + 261^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20327122.

It is not an unprimeable number, because it can be changed into a prime (20327123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5081779 + ... + 5081782.

Almost surely, 2^20327122 is an apocalyptic number.

20327122 is a deficient number, since it is larger than the sum of its proper divisors (10163564).

20327122 is a wasteful number, since it uses less digits than its factorization.

20327122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10163563.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 20327122 is about 4508.5609677590. The cubic root of 20327122 is about 272.9136752024.

Adding to 20327122 its reverse (22172302), we get a palindrome (42499424).

It can be divided in two parts, 20327 and 122, that added together give a square (20449 = 143²).

The spelling of 20327122 in words is "twenty million, three hundred twenty-seven thousand, one hundred twenty-two".