30211232213220 has 96 divisors (see below), whose sum is σ = 89660044793088. Its totient is φ = 7574585475072.

The previous prime is 30211232213219. The next prime is 30211232213243. The reversal of 30211232213220 is 2231223211203.

It is a super-2 number, since 2×30211232213220² (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 (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14328477 + ... + 16301156.

It is an arithmetic number, because the mean of its divisors is an integer number (933958799928).

Almost surely, 2^{30211232213220} is an apocalyptic number.

30211232213220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30211232213220 is an abundant number, since it is smaller than the sum of its proper divisors (59448812579868).

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

30211232213220 is a wasteful number, since it uses less digits than its factorization.

30211232213220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30630629 (or 30630627 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 30211232213220 its reverse (2231223211203), we get a palindrome (32442455424423).

The spelling of 30211232213220 in words is "thirty trillion, two hundred eleven billion, two hundred thirty-two million, two hundred thirteen thousand, two hundred twenty".