20010010 has 16 divisors (see below), whose sum is σ = 36151272. Its totient is φ = 7974400.

The previous prime is 20009999. The next prime is 20010017. The reversal of 20010010 is 1001002.

20010010 is nontrivially palindromic in base 9.

It can be written as a sum of positive squares in 4 ways, for example, as 11881809 + 8128201 = 3447^2 + 2851^2 .

20010010 is a modest number, since divided by 10010 gives 20 as remainder.

It is not an unprimeable number, because it can be changed into a prime (20010017) 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, 751 + ... + 6370.

Almost surely, 2^20010010 is an apocalyptic number.

20010010 is a deficient number, since it is larger than the sum of its proper divisors (16141262).

20010010 is a wasteful number, since it uses less digits than its factorization.

20010010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7409.

The product of its (nonzero) digits is 2, while the sum is 4.

The square root of 20010010 is about 4473.2549670235. The cubic root of 20010010 is about 271.4870396404.

Adding to 20010010 its reverse (1001002), we get a palindrome (21011012).

The spelling of 20010010 in words is "twenty million, ten thousand, ten".