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2220320221021 = 7595376078017
BaseRepresentation
bin100000010011110101011…
…001011110011101011101
321212021000221012201101001
4200103311121132131131
5242334203434033041
64420000115550301
7316261414324660
oct40236531363535
97767027181331
102220320221021
117866a5976881
122ba3908bb391
131314b56b8b66
147966d5b16d7
153cb50373131
hex204f565e75d

2220320221021 has 8 divisors (see below), whose sum is σ = 2580517448640. Its totient is φ = 1870875149568.

The previous prime is 2220320221013. The next prime is 2220320221033. The reversal of 2220320221021 is 1201220230222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2220320221021 - 23 = 2220320221013 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2220320221021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220320221001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2688038596 + ... + 2688039421.

It is an arithmetic number, because the mean of its divisors is an integer number (322564681080).

Almost surely, 22220320221021 is an apocalyptic number.

It is an amenable number.

2220320221021 is a deficient number, since it is larger than the sum of its proper divisors (360197227619).

2220320221021 is an equidigital number, since it uses as much as digits as its factorization.

2220320221021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5376078083.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 2220320221021 its reverse (1201220230222), we get a palindrome (3421540451243).

The spelling of 2220320221021 in words is "two trillion, two hundred twenty billion, three hundred twenty million, two hundred twenty-one thousand, twenty-one".

Divisors: 1 7 59 413 5376078017 37632546119 317188603003 2220320221021