20110321032012 has 36 divisors (see below), whose sum is σ = 50837282823600. Its totient is φ = 6703063172832.

The previous prime is 20110321031869. The next prime is 20110321032059. The reversal of 20110321032012 is 21023012301102.

20110321032012 is a `hidden beast` number, since 2 + 0 + 1 + 10 + 321 + 0 + 320 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15066387 + ... + 16346762.

It is an arithmetic number, because the mean of its divisors is an integer number (1412146745100).

Almost surely, 2^{20110321032012} is an apocalyptic number.

It is an amenable number.

20110321032012 is an abundant number, since it is smaller than the sum of its proper divisors (30726961791588).

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

20110321032012 is a wasteful number, since it uses less digits than its factorization.

20110321032012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31430942 (or 31430937 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 20110321032012 its reverse (21023012301102), we get a palindrome (41133333333114).

The spelling of 20110321032012 in words is "twenty trillion, one hundred ten billion, three hundred twenty-one million, thirty-two thousand, twelve".