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2120220331 = 17413041923
BaseRepresentation
bin111111001011111…
…1111111010101011
312110202120100111221
41332113333322223
513320234022311
6550215402511
7103353401245
oct17627777253
95422510457
102120220331
11998899a09
124b2083437
1327a34a658
14161831095
15c620d671
hex7e5ffeab

2120220331 has 8 divisors (see below), whose sum is σ = 2299694544. Its totient is φ = 1946830080.

The previous prime is 2120220329. The next prime is 2120220341. The reversal of 2120220331 is 1330220212.

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 2120220331 - 21 = 2120220329 is a prime.

It is a super-2 number, since 2×21202203312 = 8990668503971499122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2120220341) 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, 1520265 + ... + 1521658.

It is an arithmetic number, because the mean of its divisors is an integer number (287461818).

Almost surely, 22120220331 is an apocalyptic number.

2120220331 is a deficient number, since it is larger than the sum of its proper divisors (179474213).

2120220331 is a wasteful number, since it uses less digits than its factorization.

2120220331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3041981.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2120220331 is about 46045.8503124874. The cubic root of 2120220331 is about 1284.6761599723.

Adding to 2120220331 its reverse (1330220212), we get a palindrome (3450440543).

The spelling of 2120220331 in words is "two billion, one hundred twenty million, two hundred twenty thousand, three hundred thirty-one".

Divisors: 1 17 41 697 3041923 51712691 124718843 2120220331