20011011002 has 16 divisors (see below), whose sum is σ = 30980884320. Its totient is φ = 9689112048.

The previous prime is 20011011001. The next prime is 20011011073.

20011011002 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×20011011002² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20011011001) 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, 1257653 + ... + 1273464.

It is an arithmetic number, because the mean of its divisors is an integer number (1936305270).

Almost surely, 2^20011011002 is an apocalyptic number.

20011011002 is a deficient number, since it is larger than the sum of its proper divisors (10969873318).

20011011002 is a wasteful number, since it uses less digits than its factorization.

20011011002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2531245.

The product of its (nonzero) digits is 4, while the sum is 8.

It can be divided in two parts, 200110 and 11002, that added together give a palindrome (211112).

The spelling of 20011011002 in words is "twenty billion, eleven million, eleven thousand, two".