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2030320221 = 31935619653
BaseRepresentation
bin111100100000100…
…0011101001011101
312020111101221202020
41321001003221131
513124230221341
6533244450353
7101212302636
oct17101035135
95214357666
102030320221
119520766a6
12487b499b9
13264832017
1415390c88d
15bd3a1566
hex79043a5d

2030320221 has 8 divisors (see below), whose sum is σ = 2849572320. Its totient is φ = 1282307472.

The previous prime is 2030320181. The next prime is 2030320301. The reversal of 2030320221 is 1220230302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2030320221 - 27 = 2030320093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2030320221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2030320321) 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, 17809770 + ... + 17809883.

It is an arithmetic number, because the mean of its divisors is an integer number (356196540).

Almost surely, 22030320221 is an apocalyptic number.

It is an amenable number.

2030320221 is a deficient number, since it is larger than the sum of its proper divisors (819252099).

2030320221 is a wasteful number, since it uses less digits than its factorization.

2030320221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35619675.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 2030320221 is about 45059.0747907677. The cubic root of 2030320221 is about 1266.2559915741.

Adding to 2030320221 its reverse (1220230302), we get a palindrome (3250550523).

The spelling of 2030320221 in words is "two billion, thirty million, three hundred twenty thousand, two hundred twenty-one".

Divisors: 1 3 19 57 35619653 106858959 676773407 2030320221