20145414385212 has 12 divisors (see below), whose sum is σ = 47005966898856. Its totient is φ = 6715138128400.

The previous prime is 20145414385207. The next prime is 20145414385231. The reversal of 20145414385212 is 21258341454102.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 839392266039 + ... + 839392266062.

It is an arithmetic number, because the mean of its divisors is an integer number (3917163908238).

Almost surely, 2^{20145414385212} is an apocalyptic number.

It is an amenable number.

20145414385212 is an abundant number, since it is smaller than the sum of its proper divisors (26860552513644).

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

20145414385212 is a wasteful number, since it uses less digits than its factorization.

20145414385212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1678784532108 (or 1678784532106 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 42.

The spelling of 20145414385212 in words is "twenty trillion, one hundred forty-five billion, four hundred fourteen million, three hundred eighty-five thousand, two hundred twelve".