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20331022332 = 22315111220211
BaseRepresentation
bin10010111011110100…
…101100011111111100
31221110220101221112010
4102323310230133330
5313114220203312
613201232211220
71316551560405
oct227364543774
957426357463
1020331022332
118693371aa5
123b34999b10
131bc0147b3a
14dac2529ac
157ded5693c
hex4bbd2c7fc

20331022332 has 24 divisors (see below), whose sum is σ = 47753222272. Its totient is φ = 6732126000.

The previous prime is 20331022331. The next prime is 20331022337. The reversal of 20331022332 is 23322013302.

It is a junction number, because it is equal to n+sod(n) for n = 20331022299 and 20331022308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20331022331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5608294 + ... + 5611917.

Almost surely, 220331022332 is an apocalyptic number.

It is an amenable number.

20331022332 is an abundant number, since it is smaller than the sum of its proper divisors (27422199940).

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

20331022332 is a wasteful number, since it uses less digits than its factorization.

20331022332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11220369 (or 11220367 counting only the distinct ones).

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

Adding to 20331022332 its reverse (23322013302), we get a palindrome (43653035634).

The spelling of 20331022332 in words is "twenty billion, three hundred thirty-one million, twenty-two thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 12 151 302 453 604 906 1812 11220211 22440422 33660633 44880844 67321266 134642532 1694251861 3388503722 5082755583 6777007444 10165511166 20331022332