20001202011113 has 16 divisors (see below), whose sum is σ = 21067141510800. Its totient is φ = 18969546885120.

The previous prime is 20001202011101. The next prime is 20001202011149. The reversal of 20001202011113 is 31111020210002.

It can be written as a sum of positive squares in 8 ways, for example, as 1239855526144 + 18761346484969 = 1113488^2 + 4331437^2 .

It is a cyclic number.

It is not a de Polignac number, because 20001202011113 - 2⁸ = 20001202010857 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20001202014113) 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, 41985248 + ... + 42458961.

It is an arithmetic number, because the mean of its divisors is an integer number (1316696344425).

Almost surely, 2^{20001202011113} is an apocalyptic number.

It is an amenable number.

20001202011113 is a deficient number, since it is larger than the sum of its proper divisors (1065939499687).

20001202011113 is a wasteful number, since it uses less digits than its factorization.

20001202011113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84444412.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 20001202011113 its reverse (31111020210002), we get a palindrome (51112222221115).

The spelling of 20001202011113 in words is "twenty trillion, one billion, two hundred two million, eleven thousand, one hundred thirteen".