201330133028 has 12 divisors (see below), whose sum is σ = 353337270300. Its totient is φ = 100376627232.

The previous prime is 201330133027. The next prime is 201330133093. The reversal of 201330133028 is 820331033102.

It can be written as a sum of positive squares in 2 ways, for example, as 182122390564 + 19207742464 = 426758^2 + 138592^2 .

It is a junction number, because it is equal to n+sod(n) for n = 201330132988 and 201330133006.

It is not an unprimeable number, because it can be changed into a prime (201330133021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72108251 + ... + 72111042.

It is an arithmetic number, because the mean of its divisors is an integer number (29444772525).

Almost surely, 2^201330133028 is an apocalyptic number.

It is an amenable number.

201330133028 is a deficient number, since it is larger than the sum of its proper divisors (152007137272).

201330133028 is a wasteful number, since it uses less digits than its factorization.

201330133028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144219646 (or 144219644 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The spelling of 201330133028 in words is "two hundred one billion, three hundred thirty million, one hundred thirty-three thousand, twenty-eight".