2001010220132 has 72 divisors (see below), whose sum is σ = 4447059236928. Its totient is φ = 779042913600.

The previous prime is 2001010220117. The next prime is 2001010220171. The reversal of 2001010220132 is 2310220101002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2607782 + ... + 3286722.

It is an arithmetic number, because the mean of its divisors is an integer number (61764711624).

Almost surely, 2^{2001010220132} is an apocalyptic number.

2001010220132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2001010220132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2223529618464).

2001010220132 is an abundant number, since it is smaller than the sum of its proper divisors (2446049016796).

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

2001010220132 is a wasteful number, since it uses less digits than its factorization.

2001010220132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680337 (or 680328 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 2001010220132 its reverse (2310220101002), we get a palindrome (4311230321134).

The spelling of 2001010220132 in words is "two trillion, one billion, ten million, two hundred twenty thousand, one hundred thirty-two".