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20010220022000 = 24531317437971321
BaseRepresentation
bin1001000110010111111100…
…00011100110100011110000
32121211221212122020102020002
410203023332003212203300
510110321412311201000
6110320322420405132
74133455622541245
oct443137603464360
977757778212202
1020010220022000
11641531759a90a
1222b21462467a8
13b21c56748930
144d26dd6d55cc
1524a7a22058d5
hex1232fe0e68f0

20010220022000 has 640 divisors, whose sum is σ = 56568394891008. Its totient is φ = 6778404864000.

The previous prime is 20010220021973. The next prime is 20010220022027. The reversal of 20010220022000 is 22002201002.

It is an interprime number because it is at equal distance from previous prime (20010220021973) and next prime (20010220022027).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 15147781340 + ... + 15147782660.

Almost surely, 220010220022000 is an apocalyptic number.

20010220022000 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 20010220022000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28284197445504).

20010220022000 is an abundant number, since it is smaller than the sum of its proper divisors (36558174869008).

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

20010220022000 is a wasteful number, since it uses less digits than its factorization.

20010220022000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2214 (or 2198 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 20010220022000 its reverse (22002201002), we get a palindrome (20032222223002).

The spelling of 20010220022000 in words is "twenty trillion, ten billion, two hundred twenty million, twenty-two thousand".