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20221222020024 = 23323719744312007
BaseRepresentation
bin1001001100100000111101…
…10000010110001110111000
32122121010111201201111201210
410212100132300112032320
510122301030314120044
6111001300125443120
74154635506122244
oct446203660261670
978533451644653
1020221222020024
116496854733a63
1223270124104a0
13b38b122119bc
144dc9d8a47424
152510014b11b9
hex12641ec163b8

20221222020024 has 256 divisors, whose sum is σ = 54171980513280. Its totient is φ = 6276283453440.

The previous prime is 20221222020023. The next prime is 20221222020067. The reversal of 20221222020024 is 42002022212202.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20221222020023) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1684113429 + ... + 1684125435.

It is an arithmetic number, because the mean of its divisors is an integer number (211609298880).

Almost surely, 220221222020024 is an apocalyptic number.

20221222020024 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20221222020024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27085990256640).

20221222020024 is an abundant number, since it is smaller than the sum of its proper divisors (33950758493256).

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

20221222020024 is a wasteful number, since it uses less digits than its factorization.

20221222020024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12650 (or 12646 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 20221222020024 its reverse (42002022212202), we get a palindrome (62223244232226).

The spelling of 20221222020024 in words is "twenty trillion, two hundred twenty-one billion, two hundred twenty-two million, twenty thousand, twenty-four".