211308328020 has 48 divisors (see below), whose sum is σ = 592382367360. Its totient is φ = 56280406656.

The previous prime is 211308328013. The next prime is 211308328043. The reversal of 211308328020 is 20823803112.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 2090235 + ... + 2188994.

It is an arithmetic number, because the mean of its divisors is an integer number (12341299320).

Almost surely, 2^211308328020 is an apocalyptic number.

211308328020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211308328020 is an abundant number, since it is smaller than the sum of its proper divisors (381074039340).

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

211308328020 is a wasteful number, since it uses less digits than its factorization.

211308328020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4280064 (or 4280062 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The spelling of 211308328020 in words is "two hundred eleven billion, three hundred eight million, three hundred twenty-eight thousand, twenty".