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2220553044520 = 235591098632223
BaseRepresentation
bin100000010100000011010…
…001101000001000101000
321212021122011022101011121
4200110003101220020220
5242340143034411040
64420035154105024
7316300242310456
oct40240321501050
97767564271147
102220553044520
11786805338598
122ba43687b174
131315219c6345
14796924999d6
153cb65a12c4a
hex20503468228

2220553044520 has 64 divisors (see below), whose sum is σ = 5127541056000. Its totient is φ = 865155817728.

The previous prime is 2220553044449. The next prime is 2220553044527. The reversal of 2220553044520 is 254403550222.

It is a super-2 number, since 2×22205530445202 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2220553044527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4058872 + ... + 4573351.

It is an arithmetic number, because the mean of its divisors is an integer number (80117829000).

Almost surely, 22220553044520 is an apocalyptic number.

2220553044520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220553044520 is an abundant number, since it is smaller than the sum of its proper divisors (2906988011480).

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

2220553044520 is a wasteful number, since it uses less digits than its factorization.

2220553044520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8632402 (or 8632398 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 34.

Adding to 2220553044520 its reverse (254403550222), we get a palindrome (2474956594742).

The spelling of 2220553044520 in words is "two trillion, two hundred twenty billion, five hundred fifty-three million, forty-four thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 59 109 118 218 236 295 436 472 545 590 872 1090 1180 2180 2360 4360 6431 12862 25724 32155 51448 64310 128620 257240 8632223 17264446 34528892 43161115 69057784 86322230 172644460 345288920 509301157 940912307 1018602314 1881824614 2037204628 2546505785 3763649228 4074409256 4704561535 5093011570 7527298456 9409123070 10186023140 18818246140 20372046280 37636492280 55513826113 111027652226 222055304452 277569130565 444110608904 555138261130 1110276522260 2220553044520