20011120012 has 24 divisors (see below), whose sum is σ = 38590321616. Its totient is φ = 9021112128.

The previous prime is 20011119983. The next prime is 20011120021. The reversal of 20011120012 is 21002111002.

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, 4472523 + ... + 4476994.

Almost surely, 2^20011120012 is an apocalyptic number.

It is an amenable number.

20011120012 is a deficient number, since it is larger than the sum of its proper divisors (18579201604).

20011120012 is a wasteful number, since it uses less digits than its factorization.

20011120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8949577 (or 8949575 counting only the distinct ones).

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

Adding to 20011120012 its reverse (21002111002), we get a palindrome (41013231014).

The spelling of 20011120012 in words is "twenty billion, eleven million, one hundred twenty thousand, twelve".