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22000200000 = 2635537991
BaseRepresentation
bin10100011111010100…
…000110100101000000
32002210020020221211020
4110133110012211000
5330024022400000
614035020345440
71406120420532
oct243724064500
962706227736
1022000200000
11936a5a2979
12431b9a5280
1320c7bc202c
1410c9bd3852
1588b66cba0
hex51f506940

22000200000 has 336 divisors, whose sum is σ = 74798212608. Its totient is φ = 5702400000.

The previous prime is 22000199999. The next prime is 22000200007. The reversal of 22000200000 is 200022.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22000200007) 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, 22199505 + ... + 22200495.

It is an arithmetic number, because the mean of its divisors is an integer number (222613728).

Almost surely, 222000200000 is an apocalyptic number.

22000200000 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 22000200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37399106304).

22000200000 is an abundant number, since it is smaller than the sum of its proper divisors (52798012608).

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

22000200000 is an frugal number, since it uses more digits than its factorization.

22000200000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068 (or 1038 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 6.

Adding to 22000200000 its reverse (200022), we get a palindrome (22000400022).

The spelling of 22000200000 in words is "twenty-two billion, two hundred thousand".