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20220292 = 2244311411
BaseRepresentation
bin100110100100…
…0100110000100
31102001022000201
41031020212010
520134022132
62001220244
7333604201
oct115104604
942038021
1020220292
1110460894
126931684
13425c791
142984ca8
151b962e7
hex1348984

20220292 has 12 divisors (see below), whose sum is σ = 35468496. Its totient is φ = 10086440.

The previous prime is 20220283. The next prime is 20220307. The reversal of 20220292 is 29202202.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3934 + ... + 7477.

It is an arithmetic number, because the mean of its divisors is an integer number (2955708).

Almost surely, 220220292 is an apocalyptic number.

It is an amenable number.

20220292 is a deficient number, since it is larger than the sum of its proper divisors (15248204).

20220292 is a wasteful number, since it uses less digits than its factorization.

20220292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11858 (or 11856 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 20220292 is about 4496.6978995703. The cubic root of 20220292 is about 272.4347322855.

Adding to 20220292 its reverse (29202202), we get a palindrome (49422494).

The spelling of 20220292 in words is "twenty million, two hundred twenty thousand, two hundred ninety-two".

Divisors: 1 2 4 443 886 1772 11411 22822 45644 5055073 10110146 20220292