20344545600612 has 12 divisors (see below), whose sum is σ = 47470606401456. Its totient is φ = 6781515200200.

The previous prime is 20344545600611. The next prime is 20344545600629. The reversal of 20344545600612 is 21600654544302.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (20344545600611) 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 3 ways as a sum of consecutive naturals, for example, 847689400014 + ... + 847689400037.

It is an arithmetic number, because the mean of its divisors is an integer number (3955883866788).

Almost surely, 2^{20344545600612} is an apocalyptic number.

It is an amenable number.

20344545600612 is an abundant number, since it is smaller than the sum of its proper divisors (27126060800844).

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

20344545600612 is a wasteful number, since it uses less digits than its factorization.

20344545600612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1695378800058 (or 1695378800056 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 42.

The spelling of 20344545600612 in words is "twenty trillion, three hundred forty-four billion, five hundred forty-five million, six hundred thousand, six hundred twelve".