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20202051441 = 3111353478807
BaseRepresentation
bin10010110100001000…
…101101011101110001
31221010220201112201110
4102310020231131301
5312333211121231
613140344023533
71313424414105
oct226410553561
957126645643
1020202051441
118627593290
123ab9761ba9
131b9c4cc8c0
14d9907d905
157d387d046
hex4b422d771

20202051441 has 32 divisors (see below), whose sum is σ = 31654683648. Its totient is φ = 11298450240.

The previous prime is 20202051437. The next prime is 20202051461. The reversal of 20202051441 is 14415020202.

It is not a de Polignac number, because 20202051441 - 22 = 20202051437 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20202051461) 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 31 ways as a sum of consecutive naturals, for example, 2289460 + ... + 2298266.

It is an arithmetic number, because the mean of its divisors is an integer number (989208864).

Almost surely, 220202051441 is an apocalyptic number.

It is an amenable number.

20202051441 is a deficient number, since it is larger than the sum of its proper divisors (11452632207).

20202051441 is a wasteful number, since it uses less digits than its factorization.

20202051441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14181.

The product of its (nonzero) digits is 640, while the sum is 21.

Adding to 20202051441 its reverse (14415020202), we get a palindrome (34617071643).

The spelling of 20202051441 in words is "twenty billion, two hundred two million, fifty-one thousand, four hundred forty-one".

Divisors: 1 3 11 13 33 39 143 429 5347 8807 16041 26421 58817 69511 96877 114491 176451 208533 290631 343473 764621 1259401 2293863 3778203 47091029 141273087 518001319 612183377 1554003957 1836550131 6734017147 20202051441