201332020 has 96 divisors (see below), whose sum is σ = 469421568. Its totient is φ = 72210432.

The previous prime is 201331997. The next prime is 201332057. The reversal of 201332020 is 20233102.

It is a happy number.

It is a congruent number.

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, 686994 + ... + 687286.

It is an arithmetic number, because the mean of its divisors is an integer number (4889808).

Almost surely, 2^201332020 is an apocalyptic number.

201332020 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 201332020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234710784).

201332020 is an abundant number, since it is smaller than the sum of its proper divisors (268089548).

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

201332020 is a wasteful number, since it uses less digits than its factorization.

201332020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409 (or 407 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 201332020 is about 14189.1514897826. The cubic root of 201332020 is about 586.0989593967.

Adding to 201332020 its reverse (20233102), we get a palindrome (221565122).

The spelling of 201332020 in words is "two hundred one million, three hundred thirty-two thousand, twenty".