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2202001002020 = 225197181616049
BaseRepresentation
bin100000000010110001011…
…111001100111000100100
321210111202020100222012102
4200002301133030320210
5242034144224031040
64403330231311232
7315042431456141
oct40026137147044
97714666328172
102202001002020
11779955183466
122b691981b518
1312c8562bb9c1
147881260b3c8
153c42be61515
hex200b17cce24

2202001002020 has 48 divisors (see below), whose sum is σ = 4936138704000. Its totient is φ = 822689763840.

The previous prime is 2202001002013. The next prime is 2202001002029. The reversal of 2202001002020 is 202001002022.

It is a junction number, because it is equal to n+sod(n) for n = 2202001001992 and 2202001002010.

It is not an unprimeable number, because it can be changed into a prime (2202001002029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40781045 + ... + 40835004.

It is an arithmetic number, because the mean of its divisors is an integer number (102836223000).

Almost surely, 22202001002020 is an apocalyptic number.

2202001002020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2202001002020 is an abundant number, since it is smaller than the sum of its proper divisors (2734137701980).

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

2202001002020 is a wasteful number, since it uses less digits than its factorization.

2202001002020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81616148 (or 81616146 counting only the distinct ones).

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

Adding to 2202001002020 its reverse (202001002022), we get a palindrome (2404002004042).

The spelling of 2202001002020 in words is "two trillion, two hundred two billion, one million, two thousand, twenty".

Divisors: 1 2 4 5 10 19 20 38 71 76 95 142 190 284 355 380 710 1349 1420 2698 5396 6745 13490 26980 81616049 163232098 326464196 408080245 816160490 1550704931 1632320980 3101409862 5794739479 6202819724 7753524655 11589478958 15507049310 23178957916 28973697395 31014098620 57947394790 110100050101 115894789580 220200100202 440400200404 550500250505 1101000501010 2202001002020