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20222431244 = 2267109169163
BaseRepresentation
bin10010110101010110…
…011101000000001100
31221012100001221112222
4102311112131000030
5312403420244434
613142352514512
71314062554331
oct226526350014
957170057488
1020222431244
1186380429a4
123b0454ba38
131ba37b6b62
14d9ba66988
157d555672e
hex4b559d00c

20222431244 has 24 divisors (see below), whose sum is σ = 35950893888. Its totient is φ = 9951028560.

The previous prime is 20222431241. The next prime is 20222431249. The reversal of 20222431244 is 44213422202.

It is not an unprimeable number, because it can be changed into a prime (20222431241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257807 + ... + 326969.

It is an arithmetic number, because the mean of its divisors is an integer number (1497953912).

Almost surely, 220222431244 is an apocalyptic number.

It is an amenable number.

20222431244 is a deficient number, since it is larger than the sum of its proper divisors (15728462644).

20222431244 is a wasteful number, since it uses less digits than its factorization.

20222431244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70325 (or 70323 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 20222431244 its reverse (44213422202), we get a palindrome (64435853446).

The spelling of 20222431244 in words is "twenty billion, two hundred twenty-two million, four hundred thirty-one thousand, two hundred forty-four".

Divisors: 1 2 4 67 134 268 1091 2182 4364 69163 73097 138326 146194 276652 292388 4633921 9267842 18535684 75456833 150913666 301827332 5055607811 10111215622 20222431244