20112010 has 8 divisors (see below), whose sum is σ = 36201636. Its totient is φ = 8044800.

The previous prime is 20112007. The next prime is 20112023. The reversal of 20112010 is 1021102.

It can be written as a sum of positive squares in 2 ways, for example, as 19562929 + 549081 = 4423^2 + 741^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 20111984 and 20112002.

It is an unprimeable number.

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, 1005591 + ... + 1005610.

Almost surely, 2^20112010 is an apocalyptic number.

20112010 is a deficient number, since it is larger than the sum of its proper divisors (16089626).

20112010 is a wasteful number, since it uses less digits than its factorization.

20112010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2011208.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 20112010 is about 4484.6415687321. The cubic root of 20112010 is about 271.9475551280.

Adding to 20112010 its reverse (1021102), we get a palindrome (21133112).

The spelling of 20112010 in words is "twenty million, one hundred twelve thousand, ten".