211308286020 has 96 divisors (see below), whose sum is σ = 637275848832. Its totient is φ = 52006176768.

The previous prime is 211308285973. The next prime is 211308286069. The reversal of 211308286020 is 20682803112.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6061159 + ... + 6095921.

It is an arithmetic number, because the mean of its divisors is an integer number (6638290092).

Almost surely, 2^211308286020 is an apocalyptic number.

211308286020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211308286020 is an abundant number, since it is smaller than the sum of its proper divisors (425967562812).

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

211308286020 is a wasteful number, since it uses less digits than its factorization.

211308286020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42581 (or 42579 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The spelling of 211308286020 in words is "two hundred eleven billion, three hundred eight million, two hundred eighty-six thousand, twenty".