20010111010 has 8 divisors (see below), whose sum is σ = 36018199836. Its totient is φ = 8004044400.

The previous prime is 20010110999. The next prime is 20010111013. The reversal of 20010111010 is 1011101002.

20010111010 is nontrivially palindromic in base 7.

It can be written as a sum of positive squares in 2 ways, for example, as 19966537809 + 43573201 = 141303^2 + 6601^2 .

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 = 20010110984 and 20010111002.

It is not an unprimeable number, because it can be changed into a prime (20010111013) 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, 1000505541 + ... + 1000505560.

Almost surely, 2^20010111010 is an apocalyptic number.

20010111010 is a deficient number, since it is larger than the sum of its proper divisors (16008088826).

20010111010 is a wasteful number, since it uses less digits than its factorization.

20010111010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2001011108.

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 20010111010 its reverse (1011101002), we get a palindrome (21021212012).

The spelling of 20010111010 in words is "twenty billion, ten million, one hundred eleven thousand, ten".