Search a number
-
+
20020302210 = 235667343407
BaseRepresentation
bin10010101001010011…
…011001000110000010
31220200020201201122110
4102221103121012002
5312000144132320
613110332320150
71306056522006
oct225123310602
956606651573
1020020302210
118543a36407
123a68913056
131b7096578c
14d7cc8c706
157c292b5e0
hex4a94d9182

20020302210 has 16 divisors (see below), whose sum is σ = 48048725376. Its totient is φ = 5338747248.

The previous prime is 20020302209. The next prime is 20020302217. The reversal of 20020302210 is 1220302002.

It is not an unprimeable number, because it can be changed into a prime (20020302217) 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, 333671674 + ... + 333671733.

It is an arithmetic number, because the mean of its divisors is an integer number (3003045336).

Almost surely, 220020302210 is an apocalyptic number.

20020302210 is an abundant number, since it is smaller than the sum of its proper divisors (28028423166).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20020302210 is a wasteful number, since it uses less digits than its factorization.

20020302210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667343417.

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 20020302210 its reverse (1220302002), we get a palindrome (21240604212).

The spelling of 20020302210 in words is "twenty billion, twenty million, three hundred two thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 667343407 1334686814 2002030221 3336717035 4004060442 6673434070 10010151105 20020302210