201002012233146 has 56 divisors (see below), whose sum is σ = 457769858825280. Its totient is φ = 66152560950216.

The previous prime is 201002012232949. The next prime is 201002012233147. The reversal of 201002012233146 is 641332210200102.

201002012233146 is a `hidden beast` number, since 2 + 0 + 100 + 20 + 1 + 223 + 314 + 6 = 666.

It is a super-2 number, since 2×201002012233146² (a number of 29 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (201002012233147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 872425720 + ... + 872656083.

Almost surely, 2^{201002012233146} is an apocalyptic number.

201002012233146 is an abundant number, since it is smaller than the sum of its proper divisors (256767846592134).

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

201002012233146 is an equidigital number, since it uses as much as digits as its factorization.

201002012233146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1745081902 (or 1745081887 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 201002012233146 its reverse (641332210200102), we get a palindrome (842334222433248).

The spelling of 201002012233146 in words is "two hundred one trillion, two billion, twelve million, two hundred thirty-three thousand, one hundred forty-six".