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2220100002000 = 2435536174887
BaseRepresentation
bin100000010011101000010…
…001011010000011010000
321212020110120211102200000
4200103220101122003100
5242333231100031000
64415522211530000
7316253101440006
oct40235021320320
97766416742600
102220100002000
117865a2633a91
122ba32abb9900
1313147bba284a
147964c248a76
153cb3ad73000
hex204e845a0d0

2220100002000 has 480 divisors, whose sum is σ = 8173190049024. Its totient is φ = 582313536000.

The previous prime is 2220100001981. The next prime is 2220100002019. The reversal of 2220100002000 is 2000010222.

It is an interprime number because it is at equal distance from previous prime (2220100001981) and next prime (2220100002019).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 29608557 + ... + 29683443.

Almost surely, 22220100002000 is an apocalyptic number.

2220100002000 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 2220100002000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4086595024512).

2220100002000 is an abundant number, since it is smaller than the sum of its proper divisors (5953090047024).

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

2220100002000 is an equidigital number, since it uses as much as digits as its factorization.

2220100002000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74986 (or 74958 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 2220100002000 its reverse (2000010222), we get a palindrome (2222100012222).

The spelling of 2220100002000 in words is "two trillion, two hundred twenty billion, one hundred million, two thousand".