201004433021 has 16 divisors (see below), whose sum is σ = 232274252160. Its totient is φ = 170379006720.

The previous prime is 201004433011. The next prime is 201004433059. The reversal of 201004433021 is 120334400102.

It is a cyclic number.

It is not a de Polignac number, because 201004433021 - 2⁶ = 201004432957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201004432984 and 201004433002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201004433011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190361 + ... + 662001.

It is an arithmetic number, because the mean of its divisors is an integer number (14517140760).

Almost surely, 2^201004433021 is an apocalyptic number.

It is an amenable number.

201004433021 is a deficient number, since it is larger than the sum of its proper divisors (31269819139).

201004433021 is a wasteful number, since it uses less digits than its factorization.

201004433021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472324.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 201004433021 its reverse (120334400102), we get a palindrome (321338833123).

The spelling of 201004433021 in words is "two hundred one billion, four million, four hundred thirty-three thousand, twenty-one".