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220077142021440 = 263251171659914827
BaseRepresentation
bin110010000010100010110011…
…110111111001010101000000
31001212020011120102102021200100
4302002202303313321111000
5212321220441324141230
62100022013204522400
764233022511605134
oct6202426367712500
91055204512367610
10220077142021440
116413a2122a9910
12208245116b0400
1395a525455a642
143c4bb0d2233c4
151a69aa1555660
hexc828b3df9540

220077142021440 has 672 divisors, whose sum is σ = 837603684403200. Its totient is φ = 52589079244800.

The previous prime is 220077142021403. The next prime is 220077142021441. The reversal of 220077142021440 is 44120241770022.

220077142021440 is a `hidden beast` number, since 2 + 2 + 0 + 0 + 7 + 7 + 1 + 4 + 202 + 1 + 440 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 220077142021395 and 220077142021404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220077142021441) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 14842991307 + ... + 14843006133.

Almost surely, 2220077142021440 is an apocalyptic number.

220077142021440 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 220077142021440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (418801842201600).

220077142021440 is an abundant number, since it is smaller than the sum of its proper divisors (617526542381760).

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

220077142021440 is a wasteful number, since it uses less digits than its factorization.

220077142021440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21531 (or 21518 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 36.

Adding to 220077142021440 its reverse (44120241770022), we get a palindrome (264197383791462).

The spelling of 220077142021440 in words is "two hundred twenty trillion, seventy-seven billion, one hundred forty-two million, twenty-one thousand, four hundred forty".