20001014 has 16 divisors (see below), whose sum is σ = 33785856. Its totient is φ = 8797800.

The previous prime is 20001001. The next prime is 20001019. The reversal of 20001014 is 41010002.

It is a super-2 number, since 2×20001014² = 800081122056392, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20000992 and 20001010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20001019) 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, 13982 + ... + 15345.

It is an arithmetic number, because the mean of its divisors is an integer number (2111616).

Almost surely, 2^20001014 is an apocalyptic number.

20001014 is a deficient number, since it is larger than the sum of its proper divisors (13784842).

20001014 is a wasteful number, since it uses less digits than its factorization.

20001014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29371.

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

The square root of 20001014 is about 4472.2493222091. The cubic root of 20001014 is about 271.4463489477.

Adding to 20001014 its reverse (41010002), we get a palindrome (61011016).

The spelling of 20001014 in words is "twenty million, one thousand, fourteen".