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20222220000000 = 283574771101
BaseRepresentation
bin1001001100100010110100…
…01111010101101100000000
32122121020002021121010220010
410212101122033111230000
510122310101310000000
6111001543135544520
74155002314610664
oct446213217255400
978536067533803
1020222220000000
116497216aa80a7
12232725068b140
13b38c40bc25b5
144dca913ca8a4
1525105dde3d50
hex12645a3d5b00

20222220000000 has 1152 divisors, whose sum is σ = 70364519866368. Its totient is φ = 5152000000000.

The previous prime is 20222219999951. The next prime is 20222220000023. The reversal of 20222220000000 is 2222202.

It is a Harshad number since it is a multiple of its sum of digits (12).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 200219999950 + ... + 200220000050.

It is an arithmetic number, because the mean of its divisors is an integer number (61080312384).

Almost surely, 220222220000000 is an apocalyptic number.

20222220000000 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 20222220000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35182259933184).

20222220000000 is an abundant number, since it is smaller than the sum of its proper divisors (50142299866368).

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

20222220000000 is an frugal number, since it uses more digits than its factorization.

20222220000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273 (or 229 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

Adding to 20222220000000 its reverse (2222202), we get a palindrome (20222222222202).

The spelling of 20222220000000 in words is "twenty trillion, two hundred twenty-two billion, two hundred twenty million", and thus it is an aban number.