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20467466690 = 25111973113037
BaseRepresentation
bin10011000011111101…
…001100000111000010
31221211102011000222212
4103003331030013002
5313404132413230
613222544502122
71323126411356
oct230375140702
957742130885
1020467466690
118753395730
123b7261a942
131c124ab948
14dc240d466
157ebd09895
hex4c3f4c1c2

20467466690 has 64 divisors (see below), whose sum is σ = 40537905408. Its totient is φ = 7378694400.

The previous prime is 20467466689. The next prime is 20467466699. The reversal of 20467466690 is 9666476402.

It is a happy number.

It is a super-2 number, since 2×204674666902 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20467466699) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6737852 + ... + 6740888.

It is an arithmetic number, because the mean of its divisors is an integer number (633404772).

Almost surely, 220467466690 is an apocalyptic number.

20467466690 is a deficient number, since it is larger than the sum of its proper divisors (20070438718).

20467466690 is a wasteful number, since it uses less digits than its factorization.

20467466690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3563.

The product of its (nonzero) digits is 2612736, while the sum is 50.

The spelling of 20467466690 in words is "twenty billion, four hundred sixty-seven million, four hundred sixty-six thousand, six hundred ninety".

Divisors: 1 2 5 10 11 22 55 110 197 311 394 622 985 1555 1970 2167 3037 3110 3421 4334 6074 6842 10835 15185 17105 21670 30370 33407 34210 61267 66814 122534 167035 306335 334070 598289 612670 673937 944507 1196578 1347874 1889014 2991445 3369685 4722535 5982890 6581179 6739370 9445070 10389577 13162358 20779154 32905895 51947885 65811790 103895770 186067879 372135758 930339395 1860678790 2046746669 4093493338 10233733345 20467466690