20011034412 has 18 divisors (see below), whose sum is σ = 50583448188. Its totient is φ = 6670344792.

The previous prime is 20011034363. The next prime is 20011034413. The reversal of 20011034412 is 21443011002.

20011034412 is a `hidden beast` number, since 200 + 110 + 344 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

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

It is not an unprimeable number, because it can be changed into a prime (20011034413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 277930998 + ... + 277931069.

It is an arithmetic number, because the mean of its divisors is an integer number (2810191566).

Almost surely, 2^20011034412 is an apocalyptic number.

It is an amenable number.

20011034412 is an abundant number, since it is smaller than the sum of its proper divisors (30572413776).

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

20011034412 is a wasteful number, since it uses less digits than its factorization.

20011034412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555862077 (or 555862072 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 20011034412 its reverse (21443011002), we get a palindrome (41454045414).

The spelling of 20011034412 in words is "twenty billion, eleven million, thirty-four thousand, four hundred twelve".