20814341500 has 48 divisors (see below), whose sum is σ = 45790486560. Its totient is φ = 8264937600.

The previous prime is 20814341447. The next prime is 20814341539. The reversal of 20814341500 is 514341802.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83430 + ... + 220429.

It is an arithmetic number, because the mean of its divisors is an integer number (953968470).

Almost surely, 2^20814341500 is an apocalyptic number.

20814341500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20814341500 is an abundant number, since it is smaller than the sum of its proper divisors (24976145060).

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

20814341500 is a wasteful number, since it uses less digits than its factorization.

20814341500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304015 (or 304003 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The spelling of 20814341500 in words is "twenty billion, eight hundred fourteen million, three hundred forty-one thousand, five hundred".