30223553620 has 96 divisors (see below), whose sum is σ = 70038194688. Its totient is φ = 10884851712.

The previous prime is 30223553617. The next prime is 30223553629. The reversal of 30223553620 is 2635532203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30223553629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10921477 + ... + 10924243.

It is an arithmetic number, because the mean of its divisors is an integer number (729564528).

Almost surely, 2^30223553620 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30223553620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35019097344).

30223553620 is an abundant number, since it is smaller than the sum of its proper divisors (39814641068).

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

30223553620 is a wasteful number, since it uses less digits than its factorization.

30223553620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3809 (or 3807 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 31.

The spelling of 30223553620 in words is "thirty billion, two hundred twenty-three million, five hundred fifty-three thousand, six hundred twenty".