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20020120202 = 282712104063
BaseRepresentation
bin10010101001010010…
…101100101010001010
31220200020101110222102
4102221102230222022
5312000122321302
613110324353402
71306055133245
oct225122545212
956606343872
1020020120202
118543921695
123a68845862
131b70900994
14d7cc4225c
157c28e2702
hex4a94aca8a

20020120202 has 8 divisors (see below), whose sum is σ = 30066494976. Its totient is φ = 9997955212.

The previous prime is 20020120177. The next prime is 20020120243. The reversal of 20020120202 is 20202102002.

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

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, 6050378 + ... + 6053685.

It is an arithmetic number, because the mean of its divisors is an integer number (3758311872).

Almost surely, 220020120202 is an apocalyptic number.

20020120202 is a deficient number, since it is larger than the sum of its proper divisors (10046374774).

20020120202 is a wasteful number, since it uses less digits than its factorization.

20020120202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12104892.

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 20020120202 its reverse (20202102002), we get a palindrome (40222222204).

The spelling of 20020120202 in words is "twenty billion, twenty million, one hundred twenty thousand, two hundred two".

Divisors: 1 2 827 1654 12104063 24208126 10010060101 20020120202