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2020022200021 = 7397973725111
BaseRepresentation
bin11101011001010010101…
…101001010011011010101
321011010000211010222220211
4131121102231022123111
5231044001140400041
64143552502125421
7265641014253040
oct35312255123325
97133024128824
102020022200021
11709760963031
122875b1420871
131186447128c7
146daabab3c57
153782ab81481
hex1d652b4a6d5

2020022200021 has 8 divisors (see below), whose sum is σ = 2308605784704. Its totient is φ = 1731440861520.

The previous prime is 2020022199991. The next prime is 2020022200037. The reversal of 2020022200021 is 1200022200202.

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 2020022200021 - 27 = 2020022199893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2020022199974 and 2020022200010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020022206021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2423256 + ... + 3148366.

It is an arithmetic number, because the mean of its divisors is an integer number (288575723088).

Almost surely, 22020022200021 is an apocalyptic number.

It is an amenable number.

2020022200021 is a deficient number, since it is larger than the sum of its proper divisors (288583584683).

2020022200021 is an equidigital number, since it uses as much as digits as its factorization.

2020022200021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123091.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 2020022200021 its reverse (1200022200202), we get a palindrome (3220044400223).

The spelling of 2020022200021 in words is "two trillion, twenty billion, twenty-two million, two hundred thousand, twenty-one".

Divisors: 1 7 397973 725111 2785811 5075777 288574600003 2020022200021