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2020211303213 = 2399842105587
BaseRepresentation
bin11101011001011101111…
…110100010001100101101
321011010111222222102201202
4131121131332202030231
5231044343043200323
64144023335215245
7265645501514225
oct35313576421455
97133458872652
102020211303213
11709848683064
12287644817525
1311867495309c
146dac8c5b085
153783c586d28
hex1d65dfa232d

2020211303213 has 4 divisors (see below), whose sum is σ = 2021053411200. Its totient is φ = 2019369195228.

The previous prime is 2020211303189. The next prime is 2020211303251. The reversal of 2020211303213 is 3123031120202.

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 2020211303213 - 214 = 2020211286829 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 (2020211303713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 421050395 + ... + 421055192.

It is an arithmetic number, because the mean of its divisors is an integer number (505263352800).

Almost surely, 22020211303213 is an apocalyptic number.

It is an amenable number.

2020211303213 is a deficient number, since it is larger than the sum of its proper divisors (842107987).

2020211303213 is an equidigital number, since it uses as much as digits as its factorization.

2020211303213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842107986.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 2020211303213 its reverse (3123031120202), we get a palindrome (5143242423415).

The spelling of 2020211303213 in words is "two trillion, twenty billion, two hundred eleven million, three hundred three thousand, two hundred thirteen".

Divisors: 1 2399 842105587 2020211303213