211232032000020 has 144 divisors (see below), whose sum is σ = 680931010626048. Its totient is φ = 52819470351360.

The previous prime is 211232032000019. The next prime is 211232032000027. The reversal of 211232032000020 is 20000230232112.

211232032000020 is a `hidden beast` number, since 2 + 1 + 1 + 2 + 320 + 320 + 0 + 0 + 0 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 211232031999957 and 211232032000002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211232032000027) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 126532504 + ... + 128191023.

It is an arithmetic number, because the mean of its divisors is an integer number (4728687573792).

Almost surely, 2^{211232032000020} is an apocalyptic number.

211232032000020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211232032000020 is an abundant number, since it is smaller than the sum of its proper divisors (469698978626028).

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

211232032000020 is a wasteful number, since it uses less digits than its factorization.

211232032000020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254723830 (or 254723825 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 211232032000020 its reverse (20000230232112), we get a palindrome (231232262232132).

The spelling of 211232032000020 in words is "two hundred eleven trillion, two hundred thirty-two billion, thirty-two million, twenty", and thus it is an aban number.