20065113637100 has 144 divisors (see below), whose sum is σ = 50938575722496. Its totient is φ = 6716860416000.

The previous prime is 20065113637091. The next prime is 20065113637183. The reversal of 20065113637100 is 173631156002.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 77860460 + ... + 78117740.

It is an arithmetic number, because the mean of its divisors is an integer number (353740109184).

Almost surely, 2^{20065113637100} is an apocalyptic number.

20065113637100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20065113637100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25469287861248).

20065113637100 is an abundant number, since it is smaller than the sum of its proper divisors (30873462085396).

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

20065113637100 is a wasteful number, since it uses less digits than its factorization.

20065113637100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259936 (or 259929 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 35.

The spelling of 20065113637100 in words is "twenty trillion, sixty-five billion, one hundred thirteen million, six hundred thirty-seven thousand, one hundred".