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20202004424 = 237550165579
BaseRepresentation
bin10010110100001000…
…100001111111001000
31221010220122011020002
4102310020201333020
5312333203120144
613140343022132
71313424130040
oct226410417710
957126564202
1020202004424
118627560a28
123ab973a948
131b9c4b4394
14d9906a720
157d386e14e
hex4b4221fc8

20202004424 has 32 divisors (see below), whose sum is σ = 43298539200. Its totient is φ = 8656296000.

The previous prime is 20202004411. The next prime is 20202004463. The reversal of 20202004424 is 42440020202.

It is a junction number, because it is equal to n+sod(n) for n = 20202004396 and 20202004405.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275267 + ... + 340845.

It is an arithmetic number, because the mean of its divisors is an integer number (1353079350).

Almost surely, 220202004424 is an apocalyptic number.

It is an amenable number.

20202004424 is an abundant number, since it is smaller than the sum of its proper divisors (23096534776).

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

20202004424 is a wasteful number, since it uses less digits than its factorization.

20202004424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71093 (or 71089 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 20202004424 its reverse (42440020202), we get a palindrome (62642024626).

The spelling of 20202004424 in words is "twenty billion, two hundred two million, four thousand, four hundred twenty-four".

Divisors: 1 2 4 7 8 14 28 56 5501 11002 22004 38507 44008 65579 77014 131158 154028 262316 308056 459053 524632 918106 1836212 3672424 360750079 721500158 1443000316 2525250553 2886000632 5050501106 10101002212 20202004424