20104442012 has 24 divisors (see below), whose sum is σ = 37275449904. Its totient is φ = 9455046912.

The previous prime is 20104441993. The next prime is 20104442021. The reversal of 20104442012 is 21024440102.

It is a super-2 number, since 2×20104442012² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 19778 + ... + 201494.

It is an arithmetic number, because the mean of its divisors is an integer number (1553143746).

Almost surely, 2^20104442012 is an apocalyptic number.

It is an amenable number.

20104442012 is a deficient number, since it is larger than the sum of its proper divisors (17171007892).

20104442012 is a wasteful number, since it uses less digits than its factorization.

20104442012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183365 (or 183363 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 20104442012 its reverse (21024440102), we get a palindrome (41128882114).

The spelling of 20104442012 in words is "twenty billion, one hundred four million, four hundred forty-two thousand, twelve".