201001010 has 32 divisors (see below), whose sum is σ = 417163392. Its totient is φ = 68302080.

The previous prime is 201001007. The next prime is 201001037. The reversal of 201001010 is 10100102.

It is a happy number.

201001010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (5).

It is a junction number, because it is equal to n+sod(n) for n = 201000985 and 201001003.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4796 + ... + 20615.

It is an arithmetic number, because the mean of its divisors is an integer number (13036356).

Almost surely, 2^201001010 is an apocalyptic number.

201001010 is an abundant number, since it is smaller than the sum of its proper divisors (216162382).

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

201001010 is a wasteful number, since it uses less digits than its factorization.

201001010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25538.

The product of its (nonzero) digits is 2, while the sum is 5.

The square root of 201001010 is about 14177.4824986667. The cubic root of 201001010 is about 585.7775814149. Note that the first 3 decimals are identical.

Adding to 201001010 its reverse (10100102), we get a palindrome (211101112).

The spelling of 201001010 in words is "two hundred one million, one thousand, ten".