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20301432132 = 22319137649937
BaseRepresentation
bin10010111010000011…
…110100010101000100
31221101211201121101210
4102322003310111010
5313034131312012
613154254051420
71316042216532
oct227203642504
957354647353
1020301432132
1186786a1493
123b26aa9b70
131bb6c87547
14da834d152
157dc45e23c
hex4ba0f4544

20301432132 has 48 divisors (see below), whose sum is σ = 50227208640. Its totient is φ = 6364173312.

The previous prime is 20301432097. The next prime is 20301432157. The reversal of 20301432132 is 23123410302.

It is a super-2 number, since 2×203014321322 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20301432099 and 20301432108.

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, 293733 + ... + 356204.

It is an arithmetic number, because the mean of its divisors is an integer number (1046400180).

Almost surely, 220301432132 is an apocalyptic number.

It is an amenable number.

20301432132 is an abundant number, since it is smaller than the sum of its proper divisors (29925776508).

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

20301432132 is a wasteful number, since it uses less digits than its factorization.

20301432132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650100 (or 650098 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20301432132 its reverse (23123410302), we get a palindrome (43424842434).

The spelling of 20301432132 in words is "twenty billion, three hundred one million, four hundred thirty-two thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 137 228 274 411 548 822 1644 2603 5206 7809 10412 15618 31236 649937 1299874 1949811 2599748 3899622 7799244 12348803 24697606 37046409 49395212 74092818 89041369 148185636 178082738 267124107 356165476 534248214 1068496428 1691786011 3383572022 5075358033 6767144044 10150716066 20301432132