20111120032 has 48 divisors (see below), whose sum is σ = 39794214600. Its totient is φ = 10004761600.

The previous prime is 20111120027. The next prime is 20111120039. The reversal of 20111120032 is 23002111102.

It can be written as a sum of positive squares in 4 ways, for example, as 14322344976 + 5788775056 = 119676^2 + 76084^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20111119994 and 20111120021.

It is not an unprimeable number, because it can be changed into a prime (20111120039) 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, 10578282 + ... + 10580182.

Almost surely, 2^20111120032 is an apocalyptic number.

It is an amenable number.

20111120032 is a deficient number, since it is larger than the sum of its proper divisors (19683094568).

20111120032 is a wasteful number, since it uses less digits than its factorization.

20111120032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3409 (or 3401 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 20111120032 its reverse (23002111102), we get a palindrome (43113231134).

The spelling of 20111120032 in words is "twenty billion, one hundred eleven million, one hundred twenty thousand, thirty-two".