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20021122200 = 2335264152057
BaseRepresentation
bin10010101001010110…
…100001010010011000
31220200022021101110110
4102221112201102120
5312000401402300
613110402044320
71306066505442
oct225126412230
956608241413
1020021122200
118544446492
123a690496a0
131b70b91a91
14d7d023492
157c2a3e550
hex4a95a1498

20021122200 has 96 divisors (see below), whose sum is σ = 62163498960. Its totient is φ = 5330534400.

The previous prime is 20021122189. The next prime is 20021122217. The reversal of 20021122200 is 222112002.

Adding to 20021122200 its reverse (222112002), we get a palindrome (20243234202).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 358572 + ... + 410628.

Almost surely, 220021122200 is an apocalyptic number.

20021122200 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 20021122200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31081749480).

20021122200 is an abundant number, since it is smaller than the sum of its proper divisors (42142376760).

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

20021122200 is a wasteful number, since it uses less digits than its factorization.

20021122200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52717 (or 52708 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The spelling of 20021122200 in words is "twenty billion, twenty-one million, one hundred twenty-two thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 25 30 40 50 60 75 100 120 150 200 300 600 641 1282 1923 2564 3205 3846 5128 6410 7692 9615 12820 15384 16025 19230 25640 32050 38460 48075 52057 64100 76920 96150 104114 128200 156171 192300 208228 260285 312342 384600 416456 520570 624684 780855 1041140 1249368 1301425 1561710 2082280 2602850 3123420 3904275 5205700 6246840 7808550 10411400 15617100 31234200 33368537 66737074 100105611 133474148 166842685 200211222 266948296 333685370 400422444 500528055 667370740 800844888 834213425 1001056110 1334741480 1668426850 2002112220 2502640275 3336853700 4004224440 5005280550 6673707400 10010561100 20021122200