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20223031011120 = 24375741939409
BaseRepresentation
bin1001001100100100010101…
…00101000110011100110000
32122121022011210122210000000
410212102022211012130300
510122313231414323440
6111002155430430000
74155031363234620
oct446221245063460
978538153583000
1020223031011120
1164975a2879823
122327438202300
13b3903cc2c332
144dcb2adc0880
152510aa1e3730
hex12648a946730

20223031011120 has 640 divisors, whose sum is σ = 80785329408000. Its totient is φ = 4611258077184.

The previous prime is 20223031011097. The next prime is 20223031011121. The reversal of 20223031011120 is 2111013032202.

20223031011120 is a `hidden beast` number, since 2 + 0 + 2 + 230 + 310 + 1 + 1 + 120 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20223031011093 and 20223031011102.

It is not an unprimeable number, because it can be changed into a prime (20223031011121) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 513137976 + ... + 513177384.

It is an arithmetic number, because the mean of its divisors is an integer number (126227077200).

Almost surely, 220223031011120 is an apocalyptic number.

20223031011120 is a gapful number since it is divisible by the number (20) 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 20223031011120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40392664704000).

20223031011120 is an abundant number, since it is smaller than the sum of its proper divisors (60562298396880).

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

20223031011120 is an equidigital number, since it uses as much as digits as its factorization.

20223031011120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39869 (or 39845 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 20223031011120 its reverse (2111013032202), we get a palindrome (22334044043322).

The spelling of 20223031011120 in words is "twenty trillion, two hundred twenty-three billion, thirty-one million, eleven thousand, one hundred twenty".