20321130232200 has 192 divisors, whose sum is σ = 75125073116160. Its totient is φ = 4442880625920.

The previous prime is 20321130232187. The next prime is 20321130232219. The reversal of 20321130232200 is 223203112302.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 105085234 + ... + 105278433.

It is an arithmetic number, because the mean of its divisors is an integer number (391276422480).

Almost surely, 2^{20321130232200} is an apocalyptic number.

20321130232200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20321130232200 is an abundant number, since it is smaller than the sum of its proper divisors (54803942883960).

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

20321130232200 is a wasteful number, since it uses less digits than its factorization.

20321130232200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210363716 (or 210363707 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20321130232200 its reverse (223203112302), we get a palindrome (20544333344502).

The spelling of 20321130232200 in words is "twenty trillion, three hundred twenty-one billion, one hundred thirty million, two hundred thirty-two thousand, two hundred".