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2020133201 = 2119574091
BaseRepresentation
bin111100001101000…
…1100100101010001
312012210020101210012
41320122030211101
513114123230301
6532242244305
7101026564112
oct17032144521
95183211705
102020133201
11947348a79
12484656695
132626a62b8
1415241a209
15bc53cebb
hex7868c951

2020133201 has 4 divisors (see below), whose sum is σ = 2029707504. Its totient is φ = 2010558900.

The previous prime is 2020133173. The next prime is 2020133231. The reversal of 2020133201 is 1023310202.

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 a de Polignac number, because none of the positive numbers 2k-2020133201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2020133231) 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, 4786835 + ... + 4787256.

It is an arithmetic number, because the mean of its divisors is an integer number (507426876).

Almost surely, 22020133201 is an apocalyptic number.

It is an amenable number.

2020133201 is a deficient number, since it is larger than the sum of its proper divisors (9574303).

2020133201 is an equidigital number, since it uses as much as digits as its factorization.

2020133201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9574302.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2020133201 is about 44945.8919257367. The cubic root of 2020133201 is about 1264.1346497804.

Adding to 2020133201 its reverse (1023310202), we get a palindrome (3043443403).

The spelling of 2020133201 in words is "two billion, twenty million, one hundred thirty-three thousand, two hundred one".

Divisors: 1 211 9574091 2020133201