20331011302230 has 32 divisors (see below), whose sum is σ = 49242082428000. Its totient is φ = 5371863535872.

The previous prime is 20331011302207. The next prime is 20331011302237. The reversal of 20331011302230 is 3220311013302.

It is a junction number, because it is equal to n+sod(n) for n = 20331011302197 and 20331011302206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20331011302237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3108714055 + ... + 3108720594.

It is an arithmetic number, because the mean of its divisors is an integer number (1538815075875).

Almost surely, 2^{20331011302230} is an apocalyptic number.

20331011302230 is an abundant number, since it is smaller than the sum of its proper divisors (28911071125770).

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

20331011302230 is a wasteful number, since it uses less digits than its factorization.

20331011302230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6217434768.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 20331011302230 its reverse (3220311013302), we get a palindrome (23551322315532).

The spelling of 20331011302230 in words is "twenty trillion, three hundred thirty-one billion, eleven million, three hundred two thousand, two hundred thirty".