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20120221114 = 271997177899
BaseRepresentation
bin10010101111010000…
…100011010110111010
31220221012202010121121
4102233100203112322
5312201234033424
613124302055454
71311412025530
oct225720432672
956835663547
1020120221114
118595381a14
123a9627a58a
131b8857b3a6
14d8c25c150
157cb5b6ee4
hex4af4235ba

20120221114 has 32 divisors (see below), whose sum is σ = 36345024000. Its totient is φ = 8160594480.

The previous prime is 20120221111. The next prime is 20120221153. The reversal of 20120221114 is 41112202102.

It is not an unprimeable number, because it can be changed into a prime (20120221111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219337 + ... + 297235.

It is an arithmetic number, because the mean of its divisors is an integer number (1135782000).

Almost surely, 220120221114 is an apocalyptic number.

20120221114 is a deficient number, since it is larger than the sum of its proper divisors (16224802886).

20120221114 is a wasteful number, since it uses less digits than its factorization.

20120221114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78898.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20120221114 its reverse (41112202102), we get a palindrome (61232423216).

The spelling of 20120221114 in words is "twenty billion, one hundred twenty million, two hundred twenty-one thousand, one hundred fourteen".

Divisors: 1 2 7 14 19 38 133 266 971 1942 6797 13594 18449 36898 77899 129143 155798 258286 545293 1090586 1480081 2960162 10360567 20721134 75639929 151279858 529479503 1058959006 1437158651 2874317302 10060110557 20120221114