20034140212 has 12 divisors (see below), whose sum is σ = 37122083460. Its totient is φ = 9427830656.

The previous prime is 20034140183. The next prime is 20034140237. The reversal of 20034140212 is 21204143002.

It can be written as a sum of positive squares in 2 ways, for example, as 16802899876 + 3231240336 = 129626^2 + 56844^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20034140212.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 147309787 + ... + 147309922.

It is an arithmetic number, because the mean of its divisors is an integer number (3093506955).

Almost surely, 2^20034140212 is an apocalyptic number.

It is an amenable number.

20034140212 is a deficient number, since it is larger than the sum of its proper divisors (17087943248).

20034140212 is a wasteful number, since it uses less digits than its factorization.

20034140212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294619730 (or 294619728 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 20034140212 its reverse (21204143002), we get a palindrome (41238283214).

The spelling of 20034140212 in words is "twenty billion, thirty-four million, one hundred forty thousand, two hundred twelve".