20321131102 has 8 divisors (see below), whose sum is σ = 30482971200. Its totient is φ = 10160140704.

The previous prime is 20321131087. The next prime is 20321131121. The reversal of 20321131102 is 20113112302.

20321131102 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148827 + ... + 250582.

It is an arithmetic number, because the mean of its divisors is an integer number (3810371400).

Almost surely, 2^20321131102 is an apocalyptic number.

20321131102 is a deficient number, since it is larger than the sum of its proper divisors (10161840098).

20321131102 is a wasteful number, since it uses less digits than its factorization.

20321131102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424850.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 20321131102 its reverse (20113112302), we get a palindrome (40434243404).

The spelling of 20321131102 in words is "twenty billion, three hundred twenty-one million, one hundred thirty-one thousand, one hundred two".