20011120092 has 48 divisors (see below), whose sum is σ = 51895468800. Its totient is φ = 6668472240.

The previous prime is 20011120091. The next prime is 20011120159. The reversal of 20011120092 is 29002111002.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20011120091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 383617 + ... + 432647.

It is an arithmetic number, because the mean of its divisors is an integer number (1081155600).

Almost surely, 2^20011120092 is an apocalyptic number.

It is an amenable number.

20011120092 is an abundant number, since it is smaller than the sum of its proper divisors (31884348708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20011120092 is a wasteful number, since it uses less digits than its factorization.

20011120092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52823 (or 52815 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 20011120092 its reverse (29002111002), we get a palindrome (49013231094).

The spelling of 20011120092 in words is "twenty billion, eleven million, one hundred twenty thousand, ninety-two".