201020010 has 32 divisors (see below), whose sum is σ = 490361472. Its totient is φ = 52726080.

The previous prime is 201020009. The next prime is 201020011. The reversal of 201020010 is 10020102.

It is a happy number.

201020010 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (201020009) and next prime (201020011).

It is a Harshad number since it is a multiple of its sum of digits (6).

It is not an unprimeable number, because it can be changed into a prime (201020011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53094 + ... + 56753.

It is an arithmetic number, because the mean of its divisors is an integer number (15323796).

Almost surely, 2^201020010 is an apocalyptic number.

201020010 is an abundant number, since it is smaller than the sum of its proper divisors (289341462).

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

201020010 is a wasteful number, since it uses less digits than its factorization.

201020010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109918.

The product of its (nonzero) digits is 4, while the sum is 6.

The square root of 201020010 is about 14178.1525594839. The cubic root of 201020010 is about 585.7960380774.

Adding to 201020010 its reverse (10020102), we get a palindrome (211040112).

The spelling of 201020010 in words is "two hundred one million, twenty thousand, ten".