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20332042042 = 213291371491321
BaseRepresentation
bin10010111011111000…
…100101011100111010
31221110222022202022011
4102323320211130322
5313120000321132
613201310120134
71316563335334
oct227370453472
957428282264
1020332042042
1186939a9134
123b351b004a
131bc0414010
14dac43a454
157deea8b47
hex4bbe2573a

20332042042 has 64 divisors (see below), whose sum is σ = 34480404000. Its totient is φ = 8927170560.

The previous prime is 20332042037. The next prime is 20332042099. The reversal of 20332042042 is 24024023302.

It can be written as a sum of positive squares in 16 ways, for example, as 1664558401 + 18667483641 = 40799^2 + 136629^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15390742 + ... + 15392062.

Almost surely, 220332042042 is an apocalyptic number.

20332042042 is a deficient number, since it is larger than the sum of its proper divisors (14148361958).

20332042042 is a wasteful number, since it uses less digits than its factorization.

20332042042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1651.

The product of its (nonzero) digits is 2304, while the sum is 22.

Adding to 20332042042 its reverse (24024023302), we get a palindrome (44356065344).

The spelling of 20332042042 in words is "twenty billion, three hundred thirty-two million, forty-two thousand, forty-two".

Divisors: 1 2 13 26 29 58 137 149 274 298 377 754 1321 1781 1937 2642 3562 3874 3973 4321 7946 8642 17173 20413 34346 38309 40826 51649 56173 76618 103298 112346 180977 196829 265369 361954 393658 498017 530738 591977 996034 1183954 2352701 2558777 4705402 5117554 5248333 5708041 7695701 10496666 11416082 15391402 26965573 53931146 68228329 74204533 136456658 148409066 350552449 701104898 782001617 1564003234 10166021021 20332042042