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2020213219 = 18123347903
BaseRepresentation
bin111100001101010…
…0000000111100011
312012210101110112211
41320122200013203
513114133310334
6532244102551
7101030346313
oct17032400743
95183343484
102020213219
119473a3102
12484694a57
1326270384b
1415243b443
15bc556a64
hex786a01e3

2020213219 has 8 divisors (see below), whose sum is σ = 2040135552. Its totient is φ = 2000387520.

The previous prime is 2020213199. The next prime is 2020213249. The reversal of 2020213219 is 9123120202.

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 2020213219 - 25 = 2020213187 is a prime.

It is a super-2 number, since 2×20202132192 = 8162522900444683922, which contains 22 as substring.

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 2020213219.

It is not an unprimeable number, because it can be changed into a prime (2020213249) 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, 18222 + ... + 66124.

It is an arithmetic number, because the mean of its divisors is an integer number (255016944).

Almost surely, 22020213219 is an apocalyptic number.

2020213219 is a deficient number, since it is larger than the sum of its proper divisors (19922333).

2020213219 is a wasteful number, since it uses less digits than its factorization.

2020213219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48317.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 2020213219 is about 44946.7820761398. The cubic root of 2020213219 is about 1264.1513404604.

The spelling of 2020213219 in words is "two billion, twenty million, two hundred thirteen thousand, two hundred nineteen".

Divisors: 1 181 233 42173 47903 8670443 11161399 2020213219