20301091909112 has 32 divisors (see below), whose sum is σ = 44905641093120. Its totient is φ = 8419807703520.

The previous prime is 20301091908931. The next prime is 20301091909117. The reversal of 20301091909112 is 21190919010302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20301091909117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5847086948 + ... + 5847090419.

It is an arithmetic number, because the mean of its divisors is an integer number (1403301284160).

Almost surely, 2^{20301091909112} is an apocalyptic number.

It is an amenable number.

20301091909112 is an abundant number, since it is smaller than the sum of its proper divisors (24604549184008).

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

20301091909112 is a wasteful number, since it uses less digits than its factorization.

20301091909112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11694177411 (or 11694177407 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 38.

The spelling of 20301091909112 in words is "twenty trillion, three hundred one billion, ninety-one million, nine hundred nine thousand, one hundred twelve".