20224401 has 8 divisors (see below), whose sum is σ = 27204960. Its totient is φ = 13363392.

The previous prime is 20224387. The next prime is 20224423. The reversal of 20224401 is 10442202.

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

It is not a de Polignac number, because 20224401 - 2⁷ = 20224273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20224481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29491 + ... + 30168.

It is an arithmetic number, because the mean of its divisors is an integer number (3400620).

Almost surely, 2^20224401 is an apocalyptic number.

It is an amenable number.

20224401 is a deficient number, since it is larger than the sum of its proper divisors (6980559).

20224401 is a wasteful number, since it uses less digits than its factorization.

20224401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59775.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 20224401 is about 4497.1547671834. The cubic root of 20224401 is about 272.4531850111.

Adding to 20224401 its reverse (10442202), we get a palindrome (30666603).

The spelling of 20224401 in words is "twenty million, two hundred twenty-four thousand, four hundred one".