20344100151436 has 24 divisors (see below), whose sum is σ = 36205929607680. Its totient is φ = 9999551955600.

The previous prime is 20344100151407. The next prime is 20344100151437. The reversal of 20344100151436 is 63415100144302.

It is not an unprimeable number, because it can be changed into a prime (20344100151437) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 31128541 + ... + 31775371.

It is an arithmetic number, because the mean of its divisors is an integer number (1508580400320).

Almost surely, 2^{20344100151436} is an apocalyptic number.

It is an amenable number.

20344100151436 is a deficient number, since it is larger than the sum of its proper divisors (15861829456244).

20344100151436 is a wasteful number, since it uses less digits than its factorization.

20344100151436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780165 (or 780163 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

Adding to 20344100151436 its reverse (63415100144302), we get a palindrome (83759200295738).

The spelling of 20344100151436 in words is "twenty trillion, three hundred forty-four billion, one hundred million, one hundred fifty-one thousand, four hundred thirty-six".