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20010022133 = 37829365213
BaseRepresentation
bin10010101000101100…
…001011010011110101
31220122112101110000212
4102220230023103311
5311440031202013
613105324115205
71305603244643
oct225054132365
956575343025
1020010022133
118539154882
123a65395b05
131b6b7a65aa
14d7b774193
157c1a9a6a8
hex4a8b0b4f5

20010022133 has 8 divisors (see below), whose sum is σ = 20553626808. Its totient is φ = 19466564544.

The previous prime is 20010022129. The next prime is 20010022139. The reversal of 20010022133 is 33122001002.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1927034404 + 18082987729 = 43898^2 + 134473^2 .

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 20010022133 - 22 = 20010022129 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 (20010022139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274235 + ... + 339447.

It is an arithmetic number, because the mean of its divisors is an integer number (2569203351).

Almost surely, 220010022133 is an apocalyptic number.

It is an amenable number.

20010022133 is a deficient number, since it is larger than the sum of its proper divisors (543604675).

20010022133 is an equidigital number, since it uses as much as digits as its factorization.

20010022133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73543.

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

Adding to 20010022133 its reverse (33122001002), we get a palindrome (53132023135).

The spelling of 20010022133 in words is "twenty billion, ten million, twenty-two thousand, one hundred thirty-three".

Divisors: 1 37 8293 65213 306841 2412881 540811409 20010022133