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2020133213 = 7535445103
BaseRepresentation
bin111100001101000…
…1100100101011101
312012210020101210122
41320122030211131
513114123230323
6532242244325
7101026564130
oct17032144535
95183211718
102020133213
11947348a8a
124846566a5
132626a62c7
1415241a217
15bc53cec8
hex7868c95d

2020133213 has 8 divisors (see below), whose sum is σ = 2352284928. Its totient is φ = 1698871824.

The previous prime is 2020133173. The next prime is 2020133231. The reversal of 2020133213 is 3123310202.

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 2020133213 - 210 = 2020132189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2020133191 and 2020133200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020133233) 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, 2722181 + ... + 2722922.

It is an arithmetic number, because the mean of its divisors is an integer number (294035616).

Almost surely, 22020133213 is an apocalyptic number.

It is an amenable number.

2020133213 is a deficient number, since it is larger than the sum of its proper divisors (332151715).

2020133213 is an equidigital number, since it uses as much as digits as its factorization.

2020133213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5445163.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2020133213 is about 44945.8920592305. The cubic root of 2020133213 is about 1264.1346522834.

Adding to 2020133213 its reverse (3123310202), we get a palindrome (5143443415).

The spelling of 2020133213 in words is "two billion, twenty million, one hundred thirty-three thousand, two hundred thirteen".

Divisors: 1 7 53 371 5445103 38115721 288590459 2020133213