20224001 has 8 divisors (see below), whose sum is σ = 23492544. Its totient is φ = 17050320.

The previous prime is 20223989. The next prime is 20224007. The reversal of 20224001 is 10042202.

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

It is not a de Polignac number, because 20224001 - 2¹⁴ = 20207617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20224007) 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, 23255 + ... + 24108.

It is an arithmetic number, because the mean of its divisors is an integer number (2936568).

Almost surely, 2^20224001 is an apocalyptic number.

It is an amenable number.

20224001 is a deficient number, since it is larger than the sum of its proper divisors (3268543).

20224001 is an equidigital number, since it uses as much as digits as its factorization.

20224001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47431.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 20224001 is about 4497.1102944002. The cubic root of 20224001 is about 272.4513887981.

Adding to 20224001 its reverse (10042202), we get a palindrome (30266203).

The spelling of 20224001 in words is "twenty million, two hundred twenty-four thousand, one".