2132001220020 has 144 divisors (see below), whose sum is σ = 6946781341248. Its totient is φ = 487135703040.

The previous prime is 2132001220009. The next prime is 2132001220031. The reversal of 2132001220020 is 200221002312.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2132001220009) and next prime (2132001220031).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7962115 + ... + 8225525.

It is an arithmetic number, because the mean of its divisors is an integer number (48241537092).

Almost surely, 2^{2132001220020} is an apocalyptic number.

2132001220020 is a gapful number since it is divisible by the number (20) 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 2132001220020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3473390670624).

2132001220020 is an abundant number, since it is smaller than the sum of its proper divisors (4814780121228).

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

2132001220020 is a wasteful number, since it uses less digits than its factorization.

2132001220020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266190 (or 266181 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 2132001220020 its reverse (200221002312), we get a palindrome (2332222222332).

The spelling of 2132001220020 in words is "two trillion, one hundred thirty-two billion, one million, two hundred twenty thousand, twenty".