20020011120001 has 12 divisors (see below), whose sum is σ = 21120294131860. Its totient is φ = 18973891617120.

The previous prime is 20020011119959. The next prime is 20020011120079. The reversal of 20020011120001 is 10002111002002.

It can be written as a sum of positive squares in 2 ways, for example, as 9276044835600 + 10743966284401 = 3045660^2 + 3277799^2 .

It is not a de Polignac number, because 20020011120001 - 2³³ = 20011421185409 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20020011120001.

It is not an unprimeable number, because it can be changed into a prime (20020011120091) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 173543310 + ... + 173658631.

Almost surely, 2^{20020011120001} is an apocalyptic number.

It is an amenable number.

20020011120001 is a deficient number, since it is larger than the sum of its proper divisors (1100283011859).

20020011120001 is a wasteful number, since it uses less digits than its factorization.

20020011120001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347202096 (or 347202073 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20020011120001 its reverse (10002111002002), we get a palindrome (30022122122003).

The spelling of 20020011120001 in words is "twenty trillion, twenty billion, eleven million, one hundred twenty thousand, one".