30100203220 has 24 divisors (see below), whose sum is σ = 63286894944. Its totient is φ = 12025515936.

The previous prime is 30100203209. The next prime is 30100203229. The reversal of 30100203220 is 2230200103.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 30100203220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30100203229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 893382 + ... + 926461.

It is an arithmetic number, because the mean of its divisors is an integer number (2636953956).

Almost surely, 2^30100203220 is an apocalyptic number.

It is an amenable number.

30100203220 is an abundant number, since it is smaller than the sum of its proper divisors (33186691724).

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

30100203220 is a wasteful number, since it uses less digits than its factorization.

30100203220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1820679 (or 1820677 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 30100203220 its reverse (2230200103), we get a palindrome (32330403323).

The spelling of 30100203220 in words is "thirty billion, one hundred million, two hundred three thousand, two hundred twenty".