20113001 has 8 divisors (see below), whose sum is σ = 21688800. Its totient is φ = 18588960.

The previous prime is 20112997. The next prime is 20113013. The reversal of 20113001 is 10031102.

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

It is a cyclic number.

It is not a de Polignac number, because 20113001 - 2² = 20112997 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20113001.

It is not an unprimeable number, because it can be changed into a prime (20113031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12131 + ... + 13688.

It is an arithmetic number, because the mean of its divisors is an integer number (2711100).

Almost surely, 2^20113001 is an apocalyptic number.

It is an amenable number.

20113001 is a deficient number, since it is larger than the sum of its proper divisors (1575799).

20113001 is a wasteful number, since it uses less digits than its factorization.

20113001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25879.

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 20113001 is about 4484.7520555768. The cubic root of 20113001 is about 271.9520217063.

Adding to 20113001 its reverse (10031102), we get a palindrome (30144103).

The spelling of 20113001 in words is "twenty million, one hundred thirteen thousand, one".