201338730 has 32 divisors (see below), whose sum is σ = 536904000. Its totient is φ = 53690256.

The previous prime is 201338717. The next prime is 201338749. The reversal of 201338730 is 37833102.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 201338694 and 201338703.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 372580 + ... + 373119.

It is an arithmetic number, because the mean of its divisors is an integer number (16778250).

Almost surely, 2^201338730 is an apocalyptic number.

201338730 is an abundant number, since it is smaller than the sum of its proper divisors (335565270).

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

201338730 is a wasteful number, since it uses less digits than its factorization.

201338730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745715 (or 745709 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 201338730 is about 14189.3879360598. The cubic root of 201338730 is about 586.1054704994.

The spelling of 201338730 in words is "two hundred one million, three hundred thirty-eight thousand, seven hundred thirty".