30203023213220 has 192 divisors, whose sum is σ = 75475359187200. Its totient is φ = 10008234547200.

The previous prime is 30203023213211. The next prime is 30203023213249. The reversal of 30203023213220 is 2231232030203.

It is a super-2 number, since 2×30203023213220² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 69243410 + ... + 69678230.

It is an arithmetic number, because the mean of its divisors is an integer number (393100829100).

Almost surely, 2^{30203023213220} 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 30203023213220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37737679593600).

30203023213220 is an abundant number, since it is smaller than the sum of its proper divisors (45272335973980).

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

30203023213220 is a wasteful number, since it uses less digits than its factorization.

30203023213220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435166 (or 435164 counting only the distinct ones).

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

Adding to 30203023213220 its reverse (2231232030203), we get a palindrome (32434255243423).

The spelling of 30203023213220 in words is "thirty trillion, two hundred three billion, twenty-three million, two hundred thirteen thousand, two hundred twenty".