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20222023401440 = 2557171278362843
BaseRepresentation
bin1001001100100010011101…
…00001010111111111100000
32122121012120120122220100222
410212101032201113333200
510122304200442321230
6111001511434102212
74154664406551230
oct446211641277740
978535516586328
1020222023401440
116497126028753
1223271b687a968
13b38c0c2595a3
144dca73251cc0
1525104ba0c6e5
hex12644e857fe0

20222023401440 has 192 divisors, whose sum is σ = 58266409549824. Its totient is φ = 6474043957248.

The previous prime is 20222023401431. The next prime is 20222023401479. The reversal of 20222023401440 is 4410432022202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1763342 + ... + 6599501.

It is an arithmetic number, because the mean of its divisors is an integer number (303470883072).

Almost surely, 220222023401440 is an apocalyptic number.

20222023401440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20222023401440 is an abundant number, since it is smaller than the sum of its proper divisors (38044386148384).

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

20222023401440 is a wasteful number, since it uses less digits than its factorization.

20222023401440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8363009 (or 8363001 counting only the distinct ones).

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

Adding to 20222023401440 its reverse (4410432022202), we get a palindrome (24632455423642).

The spelling of 20222023401440 in words is "twenty trillion, two hundred twenty-two billion, twenty-three million, four hundred one thousand, four hundred forty".