20109983349804 has 48 divisors (see below), whose sum is σ = 47139306732000. Its totient is φ = 6672535474176.

The previous prime is 20109983349791. The next prime is 20109983349809. The reversal of 20109983349804 is 40894338990102.

It is a super-3 number, since 3×20109983349804³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (20109983349809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1744539 + ... + 6577490.

It is an arithmetic number, because the mean of its divisors is an integer number (982068890250).

Almost surely, 2^{20109983349804} is an apocalyptic number.

It is an amenable number.

20109983349804 is an abundant number, since it is smaller than the sum of its proper divisors (27029323382196).

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

20109983349804 is a wasteful number, since it uses less digits than its factorization.

20109983349804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8322962 (or 8322960 counting only the distinct ones).

The product of its (nonzero) digits is 13436928, while the sum is 60.

The spelling of 20109983349804 in words is "twenty trillion, one hundred nine billion, nine hundred eighty-three million, three hundred forty-nine thousand, eight hundred four".