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20332130552 = 2327117235443
BaseRepresentation
bin10010111011111000…
…111011000011111000
31221110222111020201022
4102323320323003320
5313120011134202
613201312042012
71316564154356
oct227370730370
957428436638
1020332130552
118693a59688
123b35233308
131bc04453a6
14dac4607d6
157deec4ea2
hex4bbe3b0f8

20332130552 has 32 divisors (see below), whose sum is σ = 38292660480. Its totient is φ = 10120813920.

The previous prime is 20332130551. The next prime is 20332130569. The reversal of 20332130552 is 25503123302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20332130551) 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, 3732743 + ... + 3738185.

It is an arithmetic number, because the mean of its divisors is an integer number (1196645640).

Almost surely, 220332130552 is an apocalyptic number.

It is an amenable number.

20332130552 is a deficient number, since it is larger than the sum of its proper divisors (17960529928).

20332130552 is a wasteful number, since it uses less digits than its factorization.

20332130552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7443 (or 7439 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 26.

Adding to 20332130552 its reverse (25503123302), we get a palindrome (45835253854).

The spelling of 20332130552 in words is "twenty billion, three hundred thirty-two million, one hundred thirty thousand, five hundred fifty-two".

Divisors: 1 2 4 8 271 542 1084 1723 2168 3446 5443 6892 10886 13784 21772 43544 466933 933866 1475053 1867732 2950106 3735464 5900212 9378289 11800424 18756578 37513156 75026312 2541516319 5083032638 10166065276 20332130552