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2222001010020 = 223511191031720321
BaseRepresentation
bin100000010101011001100…
…101001011010101100100
321212102101001220122102110
4200111121211023111210
5242401124224310040
64420435001041020
7316351153645311
oct40253145132544
97772331818373
102222001010020
117873887084a0
122ba77b786170
131316c299a16c
147978c8d5d08
153cbecbce980
hex2055994b564

2222001010020 has 192 divisors, whose sum is σ = 7213791836160. Its totient is φ = 505361203200.

The previous prime is 2222001010013. The next prime is 2222001010043. The reversal of 2222001010020 is 200101002222.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 2222001009978 and 2222001010005.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 431460 + ... + 2151780.

It is an arithmetic number, because the mean of its divisors is an integer number (37571832480).

Almost surely, 22222001010020 is an apocalyptic number.

2222001010020 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 2222001010020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3606895918080).

2222001010020 is an abundant number, since it is smaller than the sum of its proper divisors (4991790826140).

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

2222001010020 is a wasteful number, since it uses less digits than its factorization.

2222001010020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1720466 (or 1720464 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 2222001010020 its reverse (200101002222), we get a palindrome (2422102012242).

The spelling of 2222001010020 in words is "two trillion, two hundred twenty-two billion, one million, ten thousand, twenty".