20110110016 has 28 divisors (see below), whose sum is σ = 42253413588. Its totient is φ = 9463580672.

The previous prime is 20110109983. The next prime is 20110110043. The reversal of 20110110016 is 61001101102.

It can be written as a sum of positive squares in 2 ways, for example, as 7655550016 + 12454560000 = 87496^2 + 111600^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20110109978 and 20110110005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9240691 + ... + 9242866.

Almost surely, 2^20110110016 is an apocalyptic number.

It is an amenable number.

20110110016 is an abundant number, since it is smaller than the sum of its proper divisors (22143303572).

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

20110110016 is a wasteful number, since it uses less digits than its factorization.

20110110016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18483586 (or 18483576 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 20110110016 its reverse (61001101102), we get a palindrome (81111211118).

The spelling of 20110110016 in words is "twenty billion, one hundred ten million, one hundred ten thousand, sixteen".