201023133330 has 16 divisors (see below), whose sum is σ = 482455520064. Its totient is φ = 53606168880.

The previous prime is 201023133277. The next prime is 201023133331. The reversal of 201023133330 is 33331320102.

It is a junction number, because it is equal to n+sod(n) for n = 201023133297 and 201023133306.

It is not an unprimeable number, because it can be changed into a prime (201023133331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3350385526 + ... + 3350385585.

It is an arithmetic number, because the mean of its divisors is an integer number (30153470004).

Almost surely, 2^201023133330 is an apocalyptic number.

201023133330 is an abundant number, since it is smaller than the sum of its proper divisors (281432386734).

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

201023133330 is a wasteful number, since it uses less digits than its factorization.

201023133330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6700771121.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 201023133330 its reverse (33331320102), we get a palindrome (234354453432).

The spelling of 201023133330 in words is "two hundred one billion, twenty-three million, one hundred thirty-three thousand, three hundred thirty".