20434214020412 has 72 divisors (see below), whose sum is σ = 39641961600864. Its totient is φ = 9197263618048.

The previous prime is 20434214020411. The next prime is 20434214020427. The reversal of 20434214020412 is 21402041243402.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20434214020411) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 450298268 + ... + 450343644.

It is an arithmetic number, because the mean of its divisors is an integer number (550582800012).

Almost surely, 2^{20434214020412} is an apocalyptic number.

It is an amenable number.

20434214020412 is a deficient number, since it is larger than the sum of its proper divisors (19207747580452).

20434214020412 is a wasteful number, since it uses less digits than its factorization.

20434214020412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62375 (or 62356 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 20434214020412 its reverse (21402041243402), we get a palindrome (41836255263814).

The spelling of 20434214020412 in words is "twenty trillion, four hundred thirty-four billion, two hundred fourteen million, twenty thousand, four hundred twelve".