10020018 has 8 divisors (see below), whose sum is σ = 20040048. Its totient is φ = 3340004.

The previous prime is 10020013. The next prime is 10020041. The reversal of 10020018 is 81002001.

It is a happy number.

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

10020018 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 10019985 and 10020012.

It is not an unprimeable number, because it can be changed into a prime (10020013) 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 3 ways as a sum of consecutive naturals, for example, 834996 + ... + 835007.

It is an arithmetic number, because the mean of its divisors is an integer number (2505006).

Almost surely, 2^10020018 is an apocalyptic number.

10020018 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10020018 is a wasteful number, since it uses less digits than its factorization.

10020018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1670008.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 10020018 is about 3165.4412014757. The cubic root of 10020018 is about 215.5871314301.

Adding to 10020018 its reverse (81002001), we get a palindrome (91022019).

The spelling of 10020018 in words is "ten million, twenty thousand, eighteen".