20321120100230 has 8 divisors (see below), whose sum is σ = 36578016180432. Its totient is φ = 8128448040088.

The previous prime is 20321120100227. The next prime is 20321120100269. The reversal of 20321120100230 is 3200102112302.

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

It is a junction number, because it is equal to n+sod(n) for n = 20321120100199 and 20321120100208.

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, 1016056005002 + ... + 1016056005021.

It is an arithmetic number, because the mean of its divisors is an integer number (4572252022554).

Almost surely, 2^{20321120100230} is an apocalyptic number.

20321120100230 is a deficient number, since it is larger than the sum of its proper divisors (16256896080202).

20321120100230 is a wasteful number, since it uses less digits than its factorization.

20321120100230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2032112010030.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20321120100230 its reverse (3200102112302), we get a palindrome (23521222212532).

The spelling of 20321120100230 in words is "twenty trillion, three hundred twenty-one billion, one hundred twenty million, one hundred thousand, two hundred thirty".