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20122401332 = 221129136111587
BaseRepresentation
bin10010101111011000…
…110111101000110100
31220221100211220022102
4102233120313220310
5312202313320312
613124420521232
71311436406045
oct225730675064
956840756272
1020122401332
118596630a50
123a96b50218
131b88b62867
14d8c6688cc
157cb897ec2
hex4af637a34

20122401332 has 48 divisors (see below), whose sum is σ = 39772797120. Its totient is φ = 8823897600.

The previous prime is 20122401323. The next prime is 20122401347. The reversal of 20122401332 is 23310422102.

It is a super-2 number, since 2×201224013322 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1730843 + ... + 1742429.

It is an arithmetic number, because the mean of its divisors is an integer number (828599940).

Almost surely, 220122401332 is an apocalyptic number.

20122401332 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20122401332 is a deficient number, since it is larger than the sum of its proper divisors (19650395788).

20122401332 is a wasteful number, since it uses less digits than its factorization.

20122401332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12992 (or 12990 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20122401332 its reverse (23310422102), we get a palindrome (43432823434).

The spelling of 20122401332 in words is "twenty billion, one hundred twenty-two million, four hundred one thousand, three hundred thirty-two".

Divisors: 1 2 4 11 22 29 44 58 116 319 638 1276 1361 2722 5444 11587 14971 23174 29942 39469 46348 59884 78938 127457 157876 254914 336023 434159 509828 672046 868318 1344092 1736636 3696253 7392506 14785012 15769907 31539814 63079628 173468977 346937954 457327303 693875908 914654606 1829309212 5030600333 10061200666 20122401332