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2021002002200 = 2352471314193917
BaseRepresentation
bin11101011010001101000…
…110110011111100011000
321011012120002211002211102
4131122031012303330120
5231103003003032300
64144234022450532
7266004212402126
oct35321506637430
97135502732742
102021002002200
1170a113a409a5
12287825593a48
1311876c6ca5cc
146db61c84916
1537886bc30d5
hex1d68d1b3f18

2021002002200 has 192 divisors, whose sum is σ = 4848214694400. Its totient is φ = 783087219200.

The previous prime is 2021002002169. The next prime is 2021002002203. The reversal of 2021002002200 is 22002001202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021002002203) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 515954642 + ... + 515958558.

It is an arithmetic number, because the mean of its divisors is an integer number (25251118200).

Almost surely, 22021002002200 is an apocalyptic number.

2021002002200 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 2021002002200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2424107347200).

2021002002200 is an abundant number, since it is smaller than the sum of its proper divisors (2827212692200).

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

2021002002200 is a wasteful number, since it uses less digits than its factorization.

2021002002200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4530 (or 4521 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 2021002002200 its reverse (22002001202), we get a palindrome (2043004003402).

The spelling of 2021002002200 in words is "two trillion, twenty-one billion, two million, two thousand, two hundred".