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2020012202101 = 3203630662567
BaseRepresentation
bin11101011001010010000…
…111000001100001110101
321011010000010100001100111
4131121102013001201311
5231043441110431401
64143551503543021
7265640533262425
oct35312207014165
97133003301314
102020012202101
11709756254493
122875a9bbaa71
13118642621c8a
146daaa630485
1537829d58e51
hex1d6521c1875

2020012202101 has 4 divisors (see below), whose sum is σ = 2020642867872. Its totient is φ = 2019381536332.

The previous prime is 2020012202093. The next prime is 2020012202119. The reversal of 2020012202101 is 1012022100202.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2020012202101 - 23 = 2020012202093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020012202161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 315328081 + ... + 315334486.

It is an arithmetic number, because the mean of its divisors is an integer number (505160716968).

Almost surely, 22020012202101 is an apocalyptic number.

It is an amenable number.

2020012202101 is a deficient number, since it is larger than the sum of its proper divisors (630665771).

2020012202101 is an equidigital number, since it uses as much as digits as its factorization.

2020012202101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630665770.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2020012202101 its reverse (1012022100202), we get a palindrome (3032034302303).

The spelling of 2020012202101 in words is "two trillion, twenty billion, twelve million, two hundred two thousand, one hundred one".

Divisors: 1 3203 630662567 2020012202101