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20220099 = 310166733
BaseRepresentation
bin100110100100…
…0100011000011
31102001021202120
41031020203003
520134020344
62001215323
7333603504
oct115104303
942037676
1020220099
1110460729
126931543
13425c673
142984bab
151b96219
hex13488c3

20220099 has 8 divisors (see below), whose sum is σ = 27227472. Its totient is φ = 13346400.

The previous prime is 20220077. The next prime is 20220103. The reversal of 20220099 is 99002202.

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

It is not a de Polignac number, because 20220099 - 29 = 20219587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20220049) 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, 33064 + ... + 33669.

It is an arithmetic number, because the mean of its divisors is an integer number (3403434).

Almost surely, 220220099 is an apocalyptic number.

20220099 is a deficient number, since it is larger than the sum of its proper divisors (7007373).

20220099 is a wasteful number, since it uses less digits than its factorization.

20220099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66837.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 20220099 is about 4496.6764393272. The cubic root of 20220099 is about 272.4338654983.

It can be divided in two parts, 202 and 20099, that added together give a triangular number (20301 = T201).

The spelling of 20220099 in words is "twenty million, two hundred twenty thousand, ninety-nine".

Divisors: 1 3 101 303 66733 200199 6740033 20220099