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22440234020 = 2252119415651
BaseRepresentation
bin10100111001100010…
…101100110000100100
32010220220021000000112
4110321202230300210
5331424144442040
614150420032152
71423042561541
oct247142546044
963826230015
1022440234020
119575a21a56
124423232658
13216810c7a9
14112c419bc8
158b50dd365
hex5398acc24

22440234020 has 48 divisors (see below), whose sum is σ = 47406534336. Its totient is φ = 8922480000.

The previous prime is 22440233957. The next prime is 22440234023. The reversal of 22440234020 is 2043204422.

It is not an unprimeable number, because it can be changed into a prime (22440234023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3968195 + ... + 3973845.

It is an arithmetic number, because the mean of its divisors is an integer number (987636132).

Almost surely, 222440234020 is an apocalyptic number.

22440234020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22440234020 is an abundant number, since it is smaller than the sum of its proper divisors (24966300316).

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

22440234020 is a wasteful number, since it uses less digits than its factorization.

22440234020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6812 (or 6810 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

Adding to 22440234020 its reverse (2043204422), we get a palindrome (24483438442).

The spelling of 22440234020 in words is "twenty-two billion, four hundred forty million, two hundred thirty-four thousand, twenty".

Divisors: 1 2 4 5 10 20 211 422 844 941 1055 1882 2110 3764 4220 4705 5651 9410 11302 18820 22604 28255 56510 113020 198551 397102 794204 992755 1192361 1985510 2384722 3971020 4769444 5317591 5961805 10635182 11923610 21270364 23847220 26587955 53175910 106351820 1122011701 2244023402 4488046804 5610058505 11220117010 22440234020