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20342663160 = 2335869319501
BaseRepresentation
bin10010111100100001…
…000110011111111000
31221111201022100201220
4102330201012133320
5313130210210120
613202325512040
71320052532601
oct227441063770
957451270656
1020342663160
1186999a2a16
123b38872620
131bc26924c1
14dada02da8
157e0da5b40
hex4bc8467f8

20342663160 has 64 divisors (see below), whose sum is σ = 61038139680. Its totient is φ = 5423808000.

The previous prime is 20342663123. The next prime is 20342663179. The reversal of 20342663160 is 6136624302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1033410 + ... + 1052910.

Almost surely, 220342663160 is an apocalyptic number.

20342663160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20342663160 is an abundant number, since it is smaller than the sum of its proper divisors (40695476520).

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

20342663160 is a wasteful number, since it uses less digits than its factorization.

20342663160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28208 (or 28204 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 33.

The spelling of 20342663160 in words is "twenty billion, three hundred forty-two million, six hundred sixty-three thousand, one hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 8693 17386 19501 26079 34772 39002 43465 52158 58503 69544 78004 86930 97505 104316 117006 130395 156008 173860 195010 208632 234012 260790 292515 347720 390020 468024 521580 585030 780040 1043160 1170060 2340120 169522193 339044386 508566579 678088772 847610965 1017133158 1356177544 1695221930 2034266316 2542832895 3390443860 4068532632 5085665790 6780887720 10171331580 20342663160