2000220121332 has 288 divisors, whose sum is σ = 5566201804800. Its totient is φ = 626306504832.

The previous prime is 2000220121331. The next prime is 2000220121337. The reversal of 2000220121332 is 2331210220002.

2000220121332 is a `hidden beast` number, since 200 + 0 + 220 + 1 + 213 + 32 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000220121331) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2384052169 + ... + 2384053007.

It is an arithmetic number, because the mean of its divisors is an integer number (19327089600).

Almost surely, 2^{2000220121332} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2000220121332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2783100902400).

2000220121332 is an abundant number, since it is smaller than the sum of its proper divisors (3565981683468).

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

2000220121332 is a wasteful number, since it uses less digits than its factorization.

2000220121332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1817 (or 1803 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 2000220121332 its reverse (2331210220002), we get a palindrome (4331430341334).

The spelling of 2000220121332 in words is "two trillion, two hundred twenty million, one hundred twenty-one thousand, three hundred thirty-two".