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20000011020000 = 253541149161717
BaseRepresentation
bin1001000110000100111011…
…00011010110011011100000
32121210222112011012101020220
410203002131203112123200
510110140010310120000
6110311513410203040
74132644626500104
oct443023543263340
977728464171226
1020000011020000
116410a58904580
1222b0177283480
13b20cba67194b
144d20118c9904
1524a3a5d111a0
hex12309d8d66e0

20000011020000 has 480 divisors, whose sum is σ = 71714961166464. Its totient is φ = 4838534400000.

The previous prime is 20000011019959. The next prime is 20000011020001. The reversal of 20000011020000 is 2011000002.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20000011020001) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 324029142 + ... + 324090858.

Almost surely, 220000011020000 is an apocalyptic number.

20000011020000 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 20000011020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35857480583232).

20000011020000 is an abundant number, since it is smaller than the sum of its proper divisors (51714950146464).

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

20000011020000 is a wasteful number, since it uses less digits than its factorization.

20000011020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62252 (or 62229 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 6.

Adding to 20000011020000 its reverse (2011000002), we get a palindrome (20002022020002).

The spelling of 20000011020000 in words is "twenty trillion, eleven million, twenty thousand".