201210020 has 24 divisors (see below), whose sum is σ = 460954368. Its totient is φ = 73167200.

The previous prime is 201210013. The next prime is 201210071. The reversal of 201210020 is 20012102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 457076 + ... + 457515.

It is an arithmetic number, because the mean of its divisors is an integer number (19206432).

Almost surely, 2^201210020 is an apocalyptic number.

201210020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201210020 is an abundant number, since it is smaller than the sum of its proper divisors (259744348).

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

201210020 is a wasteful number, since it uses less digits than its factorization.

201210020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914611 (or 914609 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 201210020 is about 14184.8517792750. The cubic root of 201210020 is about 585.9805504772.

Adding to 201210020 its reverse (20012102), we get a palindrome (221222122).

The spelling of 201210020 in words is "two hundred one million, two hundred ten thousand, twenty".