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2010121202220 = 22351737791076301
BaseRepresentation
bin11101010000000100100…
…011110110101000101100
321010011110210200012021120
4131100010203312220230
5230413212011432340
64135234213300540
7265140451206165
oct35200443665054
97104423605246
102010121202220
1170554001891a
122856a9634750
131177273a9a21
146d40cb6276c
153744b82c4d0
hex1d4048f6a2c

2010121202220 has 384 divisors, whose sum is σ = 6256875663360. Its totient is φ = 480046694400.

The previous prime is 2010121202209. The next prime is 2010121202227. The reversal of 2010121202220 is 222021210102.

It is a super-2 number, since 2×20101212022202 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2010121202220.

It is not an unprimeable number, because it can be changed into a prime (2010121202227) 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, 319013070 + ... + 319019370.

It is an arithmetic number, because the mean of its divisors is an integer number (16293947040).

Almost surely, 22010121202220 is an apocalyptic number.

2010121202220 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 2010121202220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3128437831680).

2010121202220 is an abundant number, since it is smaller than the sum of its proper divisors (4246754461140).

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

2010121202220 is a wasteful number, since it uses less digits than its factorization.

2010121202220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6553 (or 6551 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2010121202220 its reverse (222021210102), we get a palindrome (2232142412322).

The spelling of 2010121202220 in words is "two trillion, ten billion, one hundred twenty-one million, two hundred two thousand, two hundred twenty".