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2000720231 is a prime number
BaseRepresentation
bin111011101000000…
…1001000101100111
312011102201010012022
41313100021011213
513044141021411
6530310213355
7100402561406
oct16720110547
95142633168
102000720231
119373997a4
1247a05425b
1325b66a133
1414da0563d
15ba9a5edb
hex77409167

2000720231 has 2 divisors, whose sum is σ = 2000720232. Its totient is φ = 2000720230.

The previous prime is 2000720221. The next prime is 2000720291. The reversal of 2000720231 is 1320270002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2000720231 - 214 = 2000703847 is a prime.

It is a super-2 number, since 2×20007202312 = 8005762885465386722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2000720221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000360115 + 1000360116.

It is an arithmetic number, because the mean of its divisors is an integer number (1000360116).

Almost surely, 22000720231 is an apocalyptic number.

2000720231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2000720231 is an equidigital number, since it uses as much as digits as its factorization.

2000720231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 2000720231 is about 44729.4112525528. The cubic root of 2000720231 is about 1260.0722707769.

Adding to 2000720231 its reverse (1320270002), we get a palindrome (3320990233).

The spelling of 2000720231 in words is "two billion, seven hundred twenty thousand, two hundred thirty-one".