30233032220 has 48 divisors (see below), whose sum is σ = 67268335680. Its totient is φ = 11374347264.

The previous prime is 30233032213. The next prime is 30233032241. The reversal of 30233032220 is 2223033203.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 30233032192 and 30233032201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 501542 + ... + 558578.

It is an arithmetic number, because the mean of its divisors is an integer number (1401423660).

Almost surely, 2^30233032220 is an apocalyptic number.

It is an amenable number.

30233032220 is an abundant number, since it is smaller than the sum of its proper divisors (37035303460).

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

30233032220 is a wasteful number, since it uses less digits than its factorization.

30233032220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58622 (or 58620 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 20.

Adding to 30233032220 its reverse (2223033203), we get a palindrome (32456065423).

The spelling of 30233032220 in words is "thirty billion, two hundred thirty-three million, thirty-two thousand, two hundred twenty".