20163001 has 8 divisors (see below), whose sum is σ = 20972864. Its totient is φ = 19368720.

The previous prime is 20162999. The next prime is 20163023. The reversal of 20163001 is 10036102.

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

It is not a de Polignac number, because 20163001 - 2¹ = 20162999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20163041) 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, 1221 + ... + 6466.

It is an arithmetic number, because the mean of its divisors is an integer number (2621608).

Almost surely, 2^20163001 is an apocalyptic number.

It is an amenable number.

20163001 is a deficient number, since it is larger than the sum of its proper divisors (809863).

20163001 is an equidigital number, since it uses as much as digits as its factorization.

20163001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7791.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 20163001 is about 4490.3230396042. The cubic root of 20163001 is about 272.1771886509.

Adding to 20163001 its reverse (10036102), we get a palindrome (30199103).

The spelling of 20163001 in words is "twenty million, one hundred sixty-three thousand, one".