20044522 has 4 divisors (see below), whose sum is σ = 30066786. Its totient is φ = 10022260.

The previous prime is 20044511. The next prime is 20044529. The reversal of 20044522 is 22544002.

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., 19527561 + 516961 = 4419^2 + 719^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20044522.

It is not an unprimeable number, because it can be changed into a prime (20044529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5011129 + ... + 5011132.

Almost surely, 2^20044522 is an apocalyptic number.

20044522 is a deficient number, since it is larger than the sum of its proper divisors (10022264).

20044522 is a wasteful number, since it uses less digits than its factorization.

20044522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10022263.

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 20044522 is about 4477.1108987828. The cubic root of 20044522 is about 271.6430312198.

Adding to 20044522 its reverse (22544002), we get a palindrome (42588524).

The spelling of 20044522 in words is "twenty million, forty-four thousand, five hundred twenty-two".