20301112102140 has 192 divisors, whose sum is σ = 65224190545920. Its totient is φ = 5236763754240.

The previous prime is 20301112102133. The next prime is 20301112102177. The reversal of 20301112102140 is 4120121110302.

20301112102140 is a `hidden beast` number, since 2 + 0 + 301 + 11 + 210 + 2 + 140 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 39198919 + ... + 39713441.

It is an arithmetic number, because the mean of its divisors is an integer number (339709325760).

Almost surely, 2^{20301112102140} is an apocalyptic number.

20301112102140 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 20301112102140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32612095272960).

20301112102140 is an abundant number, since it is smaller than the sum of its proper divisors (44923078443780).

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

20301112102140 is a wasteful number, since it uses less digits than its factorization.

20301112102140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516929 (or 516921 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 20301112102140 its reverse (4120121110302), we get a palindrome (24421233212442).

The spelling of 20301112102140 in words is "twenty trillion, three hundred one billion, one hundred twelve million, one hundred two thousand, one hundred forty".