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20012020332 = 22319295329723
BaseRepresentation
bin10010101000110011…
…110011001001101100
31220122200010222001020
4102220303303021230
5311441034122312
613105435014140
71305626236413
oct225063631154
956580128036
1020012020332
11853a29a087
123a65b9a350
131b6c025c65
14d7bb3447a
157c1d4278c
hex4a8cf326c

20012020332 has 48 divisors (see below), whose sum is σ = 49170629760. Its totient is φ = 6317232768.

The previous prime is 20012020307. The next prime is 20012020361. The reversal of 20012020332 is 23302021002.

It is an unprimeable number.

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, 658423 + ... + 688145.

It is an arithmetic number, because the mean of its divisors is an integer number (1024388120).

Almost surely, 220012020332 is an apocalyptic number.

It is an amenable number.

20012020332 is an abundant number, since it is smaller than the sum of its proper divisors (29158609428).

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

20012020332 is a wasteful number, since it uses less digits than its factorization.

20012020332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32702 (or 32700 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 20012020332 its reverse (23302021002), we get a palindrome (43314041334).

The spelling of 20012020332 in words is "twenty billion, twelve million, twenty thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 2953 5906 8859 11812 17718 29723 35436 56107 59446 89169 112214 118892 168321 178338 224428 336642 356676 564737 673284 1129474 1694211 2258948 3388422 6776844 87772019 175544038 263316057 351088076 526632114 1053264228 1667668361 3335336722 5003005083 6670673444 10006010166 20012020332