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2220222020000 = 25542918121149
BaseRepresentation
bin100000010011101111100…
…010110111100110100000
321212020210002102120220012
4200103233202313212200
5242334003314120000
64415542251104052
7316256112534425
oct40235742674640
97766702376805
102220222020000
117866554a3a06
122ba363a42028
1313149b25514a
147966052bd4c
153cb46926735
hex204ef8b79a0

2220222020000 has 240 divisors, whose sum is σ = 5681913237000. Its totient is φ = 852687360000.

The previous prime is 2220222019997. The next prime is 2220222020021. The reversal of 2220222020000 is 202220222.

It is a happy number.

It can be written as a sum of positive squares in 20 ways, for example, as 1980470773264 + 239751246736 = 1407292^2 + 489644^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 104969426 + ... + 104990574.

Almost surely, 22220222020000 is an apocalyptic number.

2220222020000 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 2220222020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2840956618500).

2220222020000 is an abundant number, since it is smaller than the sum of its proper divisors (3461691217000).

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

2220222020000 is a wasteful number, since it uses less digits than its factorization.

2220222020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21389 (or 21366 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

Adding to 2220222020000 its reverse (202220222), we get a palindrome (2220424240222).

The spelling of 2220222020000 in words is "two trillion, two hundred twenty billion, two hundred twenty-two million, twenty thousand".