20324021700 has 72 divisors (see below), whose sum is σ = 58853545632. Its totient is φ = 5415188480.

The previous prime is 20324021699. The next prime is 20324021719. The reversal of 20324021700 is 712042302.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 337267 + ... + 392933.

It is an arithmetic number, because the mean of its divisors is an integer number (817410356).

Almost surely, 2^20324021700 is an apocalyptic number.

20324021700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20324021700 is an abundant number, since it is smaller than the sum of its proper divisors (38529523932).

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

20324021700 is a wasteful number, since it uses less digits than its factorization.

20324021700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56901 (or 56894 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The spelling of 20324021700 in words is "twenty billion, three hundred twenty-four million, twenty-one thousand, seven hundred".