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2021332332 = 223733433
BaseRepresentation
bin111100001111011…
…0001010101101100
312012212111022200110
41320132301111230
513114430113312
6532324100020
7101043020115
oct17036612554
95185438613
102021332332
11947a97998
12484b34610
13262a06046
1415264d20c
15bc6c843c
hex787b156c

2021332332 has 48 divisors (see below), whose sum is σ = 4792991840. Its totient is φ = 663012864.

The previous prime is 2021332331. The next prime is 2021332343. The reversal of 2021332332 is 2332331202.

It is a junction number, because it is equal to n+sod(n) for n = 2021332299 and 2021332308.

It is not an unprimeable number, because it can be changed into a prime (2021332331) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4667988 + ... + 4668420.

Almost surely, 22021332332 is an apocalyptic number.

It is an amenable number.

2021332332 is an abundant number, since it is smaller than the sum of its proper divisors (2771659508).

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

2021332332 is an frugal number, since it uses more digits than its factorization.

2021332332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659 (or 511 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 2021332332 is about 44959.2296642191. The cubic root of 2021332332 is about 1264.3847262293.

Adding to 2021332332 its reverse (2332331202), we get a palindrome (4353663534).

The spelling of 2021332332 in words is "two billion, twenty-one million, three hundred thirty-two thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 12 73 146 219 292 433 438 866 876 1299 1732 2598 5196 5329 10658 15987 21316 31609 31974 63218 63948 94827 126436 189654 379308 389017 778034 1167051 1556068 2307457 2334102 4614914 4668204 6922371 9229828 13844742 27689484 168444361 336888722 505333083 673777444 1010666166 2021332332