20113805213496 has 128 divisors (see below), whose sum is σ = 59122024934400. Its totient is φ = 6322771889280.

The previous prime is 20113805213417. The next prime is 20113805213497. The reversal of 20113805213496 is 69431250831102.

20113805213496 is a `hidden beast` number, since 2 + 0 + 1 + 1 + 3 + 8 + 0 + 521 + 34 + 96 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20113805213497) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28159051 + ... + 28864506.

It is an arithmetic number, because the mean of its divisors is an integer number (461890819800).

Almost surely, 2^{20113805213496} is an apocalyptic number.

It is an amenable number.

20113805213496 is an abundant number, since it is smaller than the sum of its proper divisors (39008219720904).

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

20113805213496 is a wasteful number, since it uses less digits than its factorization.

20113805213496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57023666 (or 57023656 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 20113805213496 in words is "twenty trillion, one hundred thirteen billion, eight hundred five million, two hundred thirteen thousand, four hundred ninety-six".