201033664 has 112 divisors (see below), whose sum is σ = 451640448. Its totient is φ = 88178688.

The previous prime is 201033601. The next prime is 201033671. The reversal of 201033664 is 466330102.

It is a super-2 number, since 2×201033664² = 80829068122529792, which contains 22 as substring.

It is a congruent number.

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, 2072464 + ... + 2072560.

It is an arithmetic number, because the mean of its divisors is an integer number (4032504).

Almost surely, 2^201033664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201033664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225820224).

201033664 is an abundant number, since it is smaller than the sum of its proper divisors (250606784).

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

201033664 is a wasteful number, since it uses less digits than its factorization.

201033664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222 (or 212 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 201033664 is about 14178.6340667922. The cubic root of 201033664 is about 585.8093008997.

Adding to 201033664 its reverse (466330102), we get a palindrome (667363766).

The spelling of 201033664 in words is "two hundred one million, thirty-three thousand, six hundred sixty-four".