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20120200224 = 253854324533
BaseRepresentation
bin10010101111010000…
…011110010000100000
31220221012201001221220
4102233100132100200
5312201232401344
613124301415040
71311411610605
oct225720362040
956835631856
1020120200224
118595368253
123a9626a480
131b88571a27
14d8c2546ac
157cb5b0c19
hex4af41e420

20120200224 has 48 divisors (see below), whose sum is σ = 52823860992. Its totient is φ = 6705675008.

The previous prime is 20120200211. The next prime is 20120200267. The reversal of 20120200224 is 42200202102.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 807862 + ... + 832394.

It is an arithmetic number, because the mean of its divisors is an integer number (1100497104).

Almost surely, 220120200224 is an apocalyptic number.

20120200224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20120200224 is an abundant number, since it is smaller than the sum of its proper divisors (32703660768).

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

20120200224 is a wasteful number, since it uses less digits than its factorization.

20120200224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33089 (or 33081 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 20120200224 its reverse (42200202102), we get a palindrome (62320402326).

The spelling of 20120200224 in words is "twenty billion, one hundred twenty million, two hundred thousand, two hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 8543 17086 24533 25629 34172 49066 51258 68344 73599 98132 102516 136688 147198 196264 205032 273376 294396 392528 410064 588792 785056 820128 1177584 2355168 209585419 419170838 628756257 838341676 1257512514 1676683352 2515025028 3353366704 5030050056 6706733408 10060100112 20120200224