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2321201020 = 225116060051
BaseRepresentation
bin1000101001011010…
…1011011101111100
312222202202020012011
42022112223131330
514223211413040
61022155221004
7111343611625
oct21226533574
95882666164
102321201020
11a91291756
12549447764
132acb89138
141803caa4c
15d8bad3ea
hex8a5ab77c

2321201020 has 12 divisors (see below), whose sum is σ = 4874522184. Its totient is φ = 928480400.

The previous prime is 2321200993. The next prime is 2321201023. The reversal of 2321201020 is 201021232.

It is a super-4 number, since 4×23212010204 (a number of 39 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321201023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58030006 + ... + 58030045.

It is an arithmetic number, because the mean of its divisors is an integer number (406210182).

Almost surely, 22321201020 is an apocalyptic number.

2321201020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2321201020 is an abundant number, since it is smaller than the sum of its proper divisors (2553321164).

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

2321201020 is a wasteful number, since it uses less digits than its factorization.

2321201020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116060060 (or 116060058 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2321201020 is about 48178.8441123280. The cubic root of 2321201020 is about 1324.0495892380.

Adding to 2321201020 its reverse (201021232), we get a palindrome (2522222252).

The spelling of 2321201020 in words is "two billion, three hundred twenty-one million, two hundred one thousand, twenty".

Divisors: 1 2 4 5 10 20 116060051 232120102 464240204 580300255 1160600510 2321201020