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20002244424 = 2331018251751
BaseRepresentation
bin10010101000001110…
…100000011101001000
31220121222202022000120
4102220032200131020
5311431033310144
613104445303240
71305450162261
oct225016403510
956558668016
1020002244424
118534822318
123a62864b20
131b69cb23b6
14d7a70b968
157c1060e19
hex4a83a0748

20002244424 has 32 divisors (see below), whose sum is σ = 50500722240. Its totient is φ = 6601400000.

The previous prime is 20002244411. The next prime is 20002244497. The reversal of 20002244424 is 42444220002.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 20002244394 and 20002244403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4123452 + ... + 4128299.

It is an arithmetic number, because the mean of its divisors is an integer number (1578147570).

Almost surely, 220002244424 is an apocalyptic number.

20002244424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20002244424 is an abundant number, since it is smaller than the sum of its proper divisors (30498477816).

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

20002244424 is a wasteful number, since it uses less digits than its factorization.

20002244424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8251861 (or 8251857 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 20002244424 its reverse (42444220002), we get a palindrome (62446464426).

The spelling of 20002244424 in words is "twenty billion, two million, two hundred forty-four thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 24 101 202 303 404 606 808 1212 2424 8251751 16503502 24755253 33007004 49510506 66014008 99021012 198042024 833426851 1666853702 2500280553 3333707404 5000561106 6667414808 10001122212 20002244424