20201018182010 has 16 divisors (see below), whose sum is σ = 36721850875272. Its totient is φ = 8000403240000.

The previous prime is 20201018182003. The next prime is 20201018182031. The reversal of 20201018182010 is 1028181010202.

It can be written as a sum of positive squares in 4 ways, for example, as 19889914155721 + 311104026289 = 4459811^2 + 557767^2 .

It is a super-2 number, since 2×20201018182010² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10000503041 + ... + 10000505060.

Almost surely, 2^{20201018182010} is an apocalyptic number.

20201018182010 is a deficient number, since it is larger than the sum of its proper divisors (16520832693262).

20201018182010 is a wasteful number, since it uses less digits than its factorization.

20201018182010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20001008209.

The product of its (nonzero) digits is 512, while the sum is 26.

Adding to 20201018182010 its reverse (1028181010202), we get a palindrome (21229199192212).

The spelling of 20201018182010 in words is "twenty trillion, two hundred one billion, eighteen million, one hundred eighty-two thousand, ten".