20201110111002 has 32 divisors (see below), whose sum is σ = 41619532307904. Its totient is φ = 6531917673600.

The previous prime is 20201110111001. The next prime is 20201110111033. The reversal of 20201110111002 is 20011101110202.

It is a super-2 number, since 2×20201110111002² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20201110111001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137382699 + ... + 137529662.

It is an arithmetic number, because the mean of its divisors is an integer number (1300610384622).

Almost surely, 2^{20201110111002} is an apocalyptic number.

20201110111002 is an abundant number, since it is smaller than the sum of its proper divisors (21418422196902).

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

20201110111002 is a wasteful number, since it uses less digits than its factorization.

20201110111002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274912734.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 20201110111002 its reverse (20011101110202), we get a palindrome (40212211221204).

The spelling of 20201110111002 in words is "twenty trillion, two hundred one billion, one hundred ten million, one hundred eleven thousand, two".