201023133030 has 48 divisors (see below), whose sum is σ = 523707678000. Its totient is φ = 53498729664.

The previous prime is 201023133029. The next prime is 201023133041. The reversal of 201023133030 is 30331320102.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 201023132994 and 201023133012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2193157 + ... + 2282976.

It is an arithmetic number, because the mean of its divisors is an integer number (10910576625).

Almost surely, 2^201023133030 is an apocalyptic number.

201023133030 is an abundant number, since it is smaller than the sum of its proper divisors (322684544970).

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

201023133030 is a wasteful number, since it uses less digits than its factorization.

201023133030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4476645 (or 4476642 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 201023133030 its reverse (30331320102), we get a palindrome (231354453132).

The spelling of 201023133030 in words is "two hundred one billion, twenty-three million, one hundred thirty-three thousand, thirty".