20011011011002 has 16 divisors (see below), whose sum is σ = 32798362551552. Its totient is φ = 9081171927520.

The previous prime is 20011011010933. The next prime is 20011011011029.

20011011011002 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 20011011011002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 737094538 + ... + 737121685.

It is an arithmetic number, because the mean of its divisors is an integer number (2049897659472).

Almost surely, 2^{20011011011002} is an apocalyptic number.

20011011011002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20011011011002 is a deficient number, since it is larger than the sum of its proper divisors (12787351540550).

20011011011002 is a wasteful number, since it uses less digits than its factorization.

20011011011002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1474216853.

The product of its (nonzero) digits is 4, while the sum is 10.

It can be divided in two parts, 2001101 and 1011002, that multiplied together give a palindrome (2023117113202).

The spelling of 20011011011002 in words is "twenty trillion, eleven billion, eleven million, eleven thousand, two".