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20210110200000 = 2633557534659
BaseRepresentation
bin1001001100001100010000…
…11100000111100011000000
32122120001211022212120021000
410212012020130013203000
510122110301202400000
6110552221344532000
74154063241164430
oct446061034074300
978501738776230
1020210110200000
116492072371126
122324a31021000
13b37a61095776
144dc262d8a2c0
15250aa0bd5000
hex1261887078c0

20210110200000 has 672 divisors, whose sum is σ = 84871842854400. Its totient is φ = 4619445120000.

The previous prime is 20210110199999. The next prime is 20210110200011. The reversal of 20210110200000 is 201101202.

It is a tau number, because it is divible by the number of its divisors (672).

It is a super-2 number, since 2×202101102000002 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

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

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 37532671 + ... + 38067329.

It is an arithmetic number, because the mean of its divisors is an integer number (126297385200).

Almost surely, 220210110200000 is an apocalyptic number.

20210110200000 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 20210110200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42435921427200).

20210110200000 is an abundant number, since it is smaller than the sum of its proper divisors (64661732654400).

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

20210110200000 is an frugal number, since it uses more digits than its factorization.

20210110200000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534712 (or 534676 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 20210110200000 its reverse (201101202), we get a palindrome (20210311301202).

The spelling of 20210110200000 in words is "twenty trillion, two hundred ten billion, one hundred ten million, two hundred thousand".