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20101332200 = 2352433232117
BaseRepresentation
bin10010101110001000…
…011111110011101000
31220212220012110220012
4102232020133303220
5312131420112300
613122345151052
71311062335025
oct225610376350
956786173805
1020101332200
118585750444
123a8ba8b488
131b84696911
14d8994254c
157c9ad5435
hex4ae21fce8

20101332200 has 48 divisors (see below), whose sum is σ = 46843733580. Its totient is φ = 8021928960.

The previous prime is 20101332187. The next prime is 20101332211. The reversal of 20101332200 is 223310102.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 3045494596 + 17055837604 = 55186^2 + 130598^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29459 + ... + 202658.

Almost surely, 220101332200 is an apocalyptic number.

20101332200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20101332200 is an abundant number, since it is smaller than the sum of its proper divisors (26742401380).

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

20101332200 is a wasteful number, since it uses less digits than its factorization.

20101332200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232566 (or 232557 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20101332200 its reverse (223310102), we get a palindrome (20324642302).

The spelling of 20101332200 in words is "twenty billion, one hundred one million, three hundred thirty-two thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 433 866 1732 2165 3464 4330 8660 10825 17320 21650 43300 86600 232117 464234 928468 1160585 1856936 2321170 4642340 5802925 9284680 11605850 23211700 46423400 100506661 201013322 402026644 502533305 804053288 1005066610 2010133220 2512666525 4020266440 5025333050 10050666100 20101332200