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22300434020 = 2257115704531
BaseRepresentation
bin10100110001001101…
…011001111001100100
32010120011012102110202
4110301031121321210
5331132402342040
614124503410032
71416424363424
oct246115317144
963504172422
1022300434020
119504017167
1243a4453918
1321451724b7
141117a28484
158a7bc6015
hex531359e64

22300434020 has 24 divisors (see below), whose sum is σ = 47490504768. Its totient is φ = 8794536800.

The previous prime is 22300433983. The next prime is 22300434031. The reversal of 22300434020 is 2043400322.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 22300433983 and 22300434001.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7850846 + ... + 7853685.

It is an arithmetic number, because the mean of its divisors is an integer number (1978771032).

Almost surely, 222300434020 is an apocalyptic number.

22300434020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22300434020 is an abundant number, since it is smaller than the sum of its proper divisors (25190070748).

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

22300434020 is a wasteful number, since it uses less digits than its factorization.

22300434020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15704611 (or 15704609 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 22300434020 its reverse (2043400322), we get a palindrome (24343834342).

The spelling of 22300434020 in words is "twenty-two billion, three hundred million, four hundred thirty-four thousand, twenty".

Divisors: 1 2 4 5 10 20 71 142 284 355 710 1420 15704531 31409062 62818124 78522655 157045310 314090620 1115021701 2230043402 4460086804 5575108505 11150217010 22300434020