20220044 has 24 divisors (see below), whose sum is σ = 38229408. Its totient is φ = 9302400.

The previous prime is 20220041. The next prime is 20220049. The reversal of 20220044 is 44002202.

It is a happy number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (20220041) 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, 30929 + ... + 31575.

It is an arithmetic number, because the mean of its divisors is an integer number (1592892).

Almost surely, 2^20220044 is an apocalyptic number.

It is an amenable number.

20220044 is a deficient number, since it is larger than the sum of its proper divisors (18009364).

20220044 is a wasteful number, since it uses less digits than its factorization.

20220044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1265 (or 1263 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 20220044 is about 4496.6703236951. The cubic root of 20220044 is about 272.4336184854.

Adding to 20220044 its reverse (44002202), we get a palindrome (64222246).

The spelling of 20220044 in words is "twenty million, two hundred twenty thousand, forty-four".