20106846091320 has 64 divisors (see below), whose sum is σ = 60327234133920. Its totient is φ = 5361230436864.

The previous prime is 20106846091301. The next prime is 20106846091351. The reversal of 20106846091320 is 2319064860102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8213739 + ... + 10376858.

Almost surely, 2^{20106846091320} is an apocalyptic number.

20106846091320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20106846091320 is an abundant number, since it is smaller than the sum of its proper divisors (40220388042600).

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

20106846091320 is a wasteful number, since it uses less digits than its factorization.

20106846091320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18599624 (or 18599620 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The spelling of 20106846091320 in words is "twenty trillion, one hundred six billion, eight hundred forty-six million, ninety-one thousand, three hundred twenty".