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201325252220 = 22510066262611
BaseRepresentation
bin1011101101111111101…
…0111000111001111100
3201020122200222110202222
42323133322320321330
511244303231032340
6232253150504512
720355012260051
oct2733772707174
9636580873688
10201325252220
1178421946874
1233027505138
1315ca5a590a1
149a5c0d7028
1553849a18b5
hex2edfeb8e7c

201325252220 has 12 divisors (see below), whose sum is σ = 422783029704. Its totient is φ = 80530100880.

The previous prime is 201325252213. The next prime is 201325252223. The reversal of 201325252220 is 22252523102.

It is a super-2 number, since 2×2013252522202 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 201325252220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201325252223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5033131286 + ... + 5033131325.

It is an arithmetic number, because the mean of its divisors is an integer number (35231919142).

Almost surely, 2201325252220 is an apocalyptic number.

201325252220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201325252220 is an abundant number, since it is smaller than the sum of its proper divisors (221457777484).

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

201325252220 is a wasteful number, since it uses less digits than its factorization.

201325252220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10066262620 (or 10066262618 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 201325252220 its reverse (22252523102), we get a palindrome (223577775322).

The spelling of 201325252220 in words is "two hundred one billion, three hundred twenty-five million, two hundred fifty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 10066262611 20132525222 40265050444 50331313055 100662626110 201325252220