30232313220020 has 48 divisors (see below), whose sum is σ = 63512746935120. Its totient is φ = 12088185329664.

The previous prime is 30232313220007. The next prime is 30232313220049. The reversal of 30232313220020 is 2002231323203.

It can be written as a sum of positive squares in 8 ways, for example, as 5994926990116 + 24237386229904 = 2448454^2 + 4923148^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 804267386 + ... + 804304974.

It is an arithmetic number, because the mean of its divisors is an integer number (1323182227815).

Almost surely, 2^{30232313220020} is an apocalyptic number.

It is an amenable number.

30232313220020 is an abundant number, since it is smaller than the sum of its proper divisors (33280433715100).

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

30232313220020 is a wasteful number, since it uses less digits than its factorization.

30232313220020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52292 (or 52290 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 30232313220020 its reverse (2002231323203), we get a palindrome (32234544543223).

The spelling of 30232313220020 in words is "thirty trillion, two hundred thirty-two billion, three hundred thirteen million, two hundred twenty thousand, twenty".