20193843839202 has 96 divisors (see below), whose sum is σ = 48177747034560. Its totient is φ = 6062079864960.

The previous prime is 20193843839123. The next prime is 20193843839203. The reversal of 20193843839202 is 20293834839102.

20193843839202 is a `hidden beast` number, since 20 + 1 + 9 + 38 + 4 + 383 + 9 + 202 = 666.

It is not an unprimeable number, because it can be changed into a prime (20193843839203) by changing a digit.

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, 119976568 + ... + 120144764.

It is an arithmetic number, because the mean of its divisors is an integer number (501851531610).

Almost surely, 2^{20193843839202} is an apocalyptic number.

20193843839202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 20193843839202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24088873517280).

20193843839202 is an abundant number, since it is smaller than the sum of its proper divisors (27983903195358).

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

20193843839202 is a wasteful number, since it uses less digits than its factorization.

20193843839202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173888 (or 173885 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 54.

The spelling of 20193843839202 in words is "twenty trillion, one hundred ninety-three billion, eight hundred forty-three million, eight hundred thirty-nine thousand, two hundred two".