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2201322211220 = 2251110006010051
BaseRepresentation
bin100000000010001001000…
…001110100011110010100
321210102222221002211021102
4200002021001310132110
5242031301441224340
64403135022405232
7315016550031206
oct40021101643624
97712887084242
102201322211220
11779636aaa930
122b676a430818
1312c778797242
147878a3d4776
153c3dc57d215
hex20089074794

2201322211220 has 24 divisors (see below), whose sum is σ = 5043029066208. Its totient is φ = 800480804000.

The previous prime is 2201322211213. The next prime is 2201322211247. The reversal of 2201322211220 is 221122231022.

It is a super-2 number, since 2×22013222112202 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2201322211192 and 2201322211201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5003004806 + ... + 5003005245.

It is an arithmetic number, because the mean of its divisors is an integer number (210126211092).

Almost surely, 22201322211220 is an apocalyptic number.

2201322211220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2201322211220 is an abundant number, since it is smaller than the sum of its proper divisors (2841706854988).

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

2201322211220 is a wasteful number, since it uses less digits than its factorization.

2201322211220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10006010071 (or 10006010069 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 2201322211220 its reverse (221122231022), we get a palindrome (2422444442242).

The spelling of 2201322211220 in words is "two trillion, two hundred one billion, three hundred twenty-two million, two hundred eleven thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 10006010051 20012020102 40024040204 50030050255 100060100510 110066110561 200120201020 220132221122 440264442244 550330552805 1100661105610 2201322211220