20321314332100 has 72 divisors (see below), whose sum is σ = 46753383091968. Its totient is φ = 7640189760000.

The previous prime is 20321314331957. The next prime is 20321314332113. The reversal of 20321314332100 is 123341312302.

It is a Harshad number since it is a multiple of its sum of digits (25).

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, 6681832 + ... + 9235231.

It is an arithmetic number, because the mean of its divisors is an integer number (649352542944).

Almost surely, 2^{20321314332100} is an apocalyptic number.

20321314332100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20321314332100 is an abundant number, since it is smaller than the sum of its proper divisors (26432068759868).

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

20321314332100 is a wasteful number, since it uses less digits than its factorization.

20321314332100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15917845 (or 15917838 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 20321314332100 its reverse (123341312302), we get a palindrome (20444655644402).

The spelling of 20321314332100 in words is "twenty trillion, three hundred twenty-one billion, three hundred fourteen million, three hundred thirty-two thousand, one hundred".