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20223212003220 = 2235601560821187
BaseRepresentation
bin1001001100100100101010…
…10111100001111110010100
32122121022122102020010111010
410212102111113201332110
510122314114233100340
6111002225414012220
74155036021524442
oct446222527417624
978538572203433
1020223212003220
116497685a59876
122327488947070
13b3906b58c955
144dcb47055b92
152510bb045b80
hex1264955e1f94

20223212003220 has 48 divisors (see below), whose sum is σ = 56719211669568. Its totient is φ = 5383883385600.

The previous prime is 20223212003219. The next prime is 20223212003237. The reversal of 20223212003220 is 2230021232202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 280374534 + ... + 280446653.

It is an arithmetic number, because the mean of its divisors is an integer number (1181650243116).

Almost surely, 220223212003220 is an apocalyptic number.

20223212003220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20223212003220 is an abundant number, since it is smaller than the sum of its proper divisors (36495999666348).

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

20223212003220 is a wasteful number, since it uses less digits than its factorization.

20223212003220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560821800 (or 560821798 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 20223212003220 its reverse (2230021232202), we get a palindrome (22453233235422).

The spelling of 20223212003220 in words is "twenty trillion, two hundred twenty-three billion, two hundred twelve million, three thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 601 1202 1803 2404 3005 3606 6010 7212 9015 12020 18030 36060 560821187 1121642374 1682463561 2243284748 2804105935 3364927122 5608211870 6729854244 8412317805 11216423740 16824635610 33649271220 337053533387 674107066774 1011160600161 1348214133548 1685267666935 2022321200322 3370535333870 4044642400644 5055803000805 6741070667740 10111606001610 20223212003220