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20022200000 = 26551119479
BaseRepresentation
bin10010101001011010…
…101000011011000000
31220200101022010220222
4102221122220123000
5312001140400000
613110441122212
71306111614635
oct225132503300
956611263828
1020022200000
118545012230
123a69489368
131b7117b52a
14d7d22418c
157c2ba3a85
hex4a96a86c0

20022200000 has 336 divisors, whose sum is σ = 57146342400. Its totient is φ = 6883200000.

The previous prime is 20022199997. The next prime is 20022200021. The reversal of 20022200000 is 222002.

It is a Harshad number since it is a multiple of its sum of digits (8).

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, 41799761 + ... + 41800239.

It is an arithmetic number, because the mean of its divisors is an integer number (170078400).

Almost surely, 220022200000 is an apocalyptic number.

20022200000 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 20022200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28573171200).

20022200000 is an abundant number, since it is smaller than the sum of its proper divisors (37124142400).

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

20022200000 is an equidigital number, since it uses as much as digits as its factorization.

20022200000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546 (or 516 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 8.

Adding to 20022200000 its reverse (222002), we get a palindrome (20022422002).

It can be divided in two parts, 20022 and 200000, that added together give a palindrome (220022).

The spelling of 20022200000 in words is "twenty billion, twenty-two million, two hundred thousand".