20001202011011 has 8 divisors (see below), whose sum is σ = 21539865406080. Its totient is φ = 18462554243712.

The previous prime is 20001202010969. The next prime is 20001202011079. The reversal of 20001202011011 is 11011020210002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20001202011011 - 2⁶ = 20001202010947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20001202010983 and 20001202011001.

It is not an unprimeable number, because it can be changed into a prime (20001202010011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1178195 + ... + 6433548.

It is an arithmetic number, because the mean of its divisors is an integer number (2692483175760).

Almost surely, 2^{20001202011011} is an apocalyptic number.

20001202011011 is a deficient number, since it is larger than the sum of its proper divisors (1538663395069).

20001202011011 is a wasteful number, since it uses less digits than its factorization.

20001202011011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7813885.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20001202011011 its reverse (11011020210002), we get a palindrome (31012222221013).

The spelling of 20001202011011 in words is "twenty trillion, one billion, two hundred two million, eleven thousand, eleven".