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20122300032 = 273154333961
BaseRepresentation
bin10010101111011000…
…011110111010000000
31220221100122202100120
4102233120132322000
5312202302100112
613124414420240
71311435504522
oct225730367200
956840582316
1020122300032
11859657192a
123a96b01680
131b88b28713
14d8c63da12
157cb877e8c
hex4af61ee80

20122300032 has 64 divisors (see below), whose sum is σ = 53486074560. Its totient is φ = 6702888960.

The previous prime is 20122299991. The next prime is 20122300049. The reversal of 20122300032 is 23000322102.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 20122299984 and 20122300020.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 575532 + ... + 609492.

It is an arithmetic number, because the mean of its divisors is an integer number (835719915).

Almost surely, 220122300032 is an apocalyptic number.

It is an amenable number.

20122300032 is an abundant number, since it is smaller than the sum of its proper divisors (33363774528).

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

20122300032 is a wasteful number, since it uses less digits than its factorization.

20122300032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35521 (or 35509 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 20122300032 its reverse (23000322102), we get a palindrome (43122622134).

The spelling of 20122300032 in words is "twenty billion, one hundred twenty-two million, three hundred thousand, thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 384 1543 3086 4629 6172 9258 12344 18516 24688 33961 37032 49376 67922 74064 98752 101883 135844 148128 197504 203766 271688 296256 407532 543376 592512 815064 1086752 1630128 2173504 3260256 4347008 6520512 13041024 52401823 104803646 157205469 209607292 314410938 419214584 628821876 838429168 1257643752 1676858336 2515287504 3353716672 5030575008 6707433344 10061150016 20122300032