30211210020 has 48 divisors (see below), whose sum is σ = 85662178560. Its totient is φ = 7954342656.

The previous prime is 30211209989. The next prime is 30211210087. The reversal of 30211210020 is 2001211203.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 30211209978 and 30211210005.

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, 3182097 + ... + 3191576.

It is an arithmetic number, because the mean of its divisors is an integer number (1784628720).

Almost surely, 2^30211210020 is an apocalyptic number.

30211210020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30211210020 is an abundant number, since it is smaller than the sum of its proper divisors (55450968540).

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

30211210020 is a wasteful number, since it uses less digits than its factorization.

30211210020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6373764 (or 6373762 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 30211210020 its reverse (2001211203), we get a palindrome (32212421223).

The spelling of 30211210020 in words is "thirty billion, two hundred eleven million, two hundred ten thousand, twenty".