30213000020 has 48 divisors (see below), whose sum is σ = 72550789248. Its totient is φ = 10353087360.

The previous prime is 30213000007. The next prime is 30213000047. The reversal of 30213000020 is 2000031203.

It is a junction number, because it is equal to n+sod(n) for n = 30212999965 and 30213000010.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 202559 + ... + 318521.

It is an arithmetic number, because the mean of its divisors is an integer number (1511474776).

Almost surely, 2^30213000020 is an apocalyptic number.

It is an amenable number.

30213000020 is an abundant number, since it is smaller than the sum of its proper divisors (42337789228).

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

30213000020 is a wasteful number, since it uses less digits than its factorization.

30213000020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117840 (or 117838 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

Adding to 30213000020 its reverse (2000031203), we get a palindrome (32213031223).

The spelling of 30213000020 in words is "thirty billion, two hundred thirteen million, twenty", and thus it is an aban number.