20135154053112 has 192 divisors, whose sum is σ = 59924097446400. Its totient is φ = 5618549422080.

The previous prime is 20135154053107. The next prime is 20135154053137. The reversal of 20135154053112 is 21135045153102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 985509537 + ... + 985529967.

It is an arithmetic number, because the mean of its divisors is an integer number (312104674200).

Almost surely, 2^{20135154053112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20135154053112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29962048723200).

20135154053112 is an abundant number, since it is smaller than the sum of its proper divisors (39788943393288).

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

20135154053112 is a wasteful number, since it uses less digits than its factorization.

20135154053112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39986 (or 39975 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 33.

The spelling of 20135154053112 in words is "twenty trillion, one hundred thirty-five billion, one hundred fifty-four million, fifty-three thousand, one hundred twelve".