210011211232020 has 288 divisors, whose sum is σ = 706766653232640. Its totient is φ = 50045942695680.

The previous prime is 210011211232013. The next prime is 210011211232133. The reversal of 210011211232020 is 20232112110012.

210011211232020 is a `hidden beast` number, since 2 + 100 + 11 + 211 + 2 + 320 + 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 = 210011211231984 and 210011211232002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2472219187 + ... + 2472304133.

It is an arithmetic number, because the mean of its divisors is an integer number (2454050879280).

Almost surely, 2^{210011211232020} is an apocalyptic number.

210011211232020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210011211232020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (353383326616320).

210011211232020 is an abundant number, since it is smaller than the sum of its proper divisors (496755442000620).

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

210011211232020 is a wasteful number, since it uses less digits than its factorization.

210011211232020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106195 (or 106190 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 210011211232020 its reverse (20232112110012), we get a palindrome (230243323342032).

The spelling of 210011211232020 in words is "two hundred ten trillion, eleven billion, two hundred eleven million, two hundred thirty-two thousand, twenty".