20331131120230 has 24 divisors (see below), whose sum is σ = 42570899040528. Its totient is φ = 6970673526768.

The previous prime is 20331131120189. The next prime is 20331131120269. The reversal of 20331131120230 is 3202113113302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20746051674 + ... + 20746052653.

It is an arithmetic number, because the mean of its divisors is an integer number (1773787460022).

Almost surely, 2^{20331131120230} is an apocalyptic number.

20331131120230 is an abundant number, since it is smaller than the sum of its proper divisors (22239767920298).

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

20331131120230 is a wasteful number, since it uses less digits than its factorization.

20331131120230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41492104348 (or 41492104341 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 20331131120230 its reverse (3202113113302), we get a palindrome (23533244233532).

The spelling of 20331131120230 in words is "twenty trillion, three hundred thirty-one billion, one hundred thirty-one million, one hundred twenty thousand, two hundred thirty".