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200012212221020 = 225271113213259661
BaseRepresentation
bin101101011110100011111000…
…110111000011010001011100
3222020011222110222002011102122
4231132203320313003101130
5202204000002312033040
61545220201455442112
760062256034425443
oct5536437067032134
9866158428064378
10200012212221020
11588037805447a1
121a523859226338
13877b0bc399474
1437568dd8c5d5a
15181cb9b2801b5
hexb5e8f8dc345c

200012212221020 has 48 divisors (see below), whose sum is σ = 421612923505536. Its totient is φ = 79702598592000.

The previous prime is 200012212220987. The next prime is 200012212221103. The reversal of 200012212221020 is 20122212210002.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 200012212221020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59729990 + ... + 62989650.

It is an arithmetic number, because the mean of its divisors is an integer number (8783602573032).

Almost surely, 2200012212221020 is an apocalyptic number.

200012212221020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200012212221020 is an abundant number, since it is smaller than the sum of its proper divisors (221600711284516).

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

200012212221020 is a wasteful number, since it uses less digits than its factorization.

200012212221020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3271262 (or 3271260 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 200012212221020 its reverse (20122212210002), we get a palindrome (220134424431022).

The spelling of 200012212221020 in words is "two hundred trillion, twelve billion, two hundred twelve million, two hundred twenty-one thousand, twenty".

Divisors: 1 2 4 5 10 20 271 542 1084 1355 2710 5420 11321 22642 45284 56605 113210 226420 3067991 3259661 6135982 6519322 12271964 13038644 15339955 16298305 30679910 32596610 61359820 65193220 883368131 1766736262 3533472524 4416840655 8833681310 17667362620 36902622181 73805244362 147610488724 184513110905 369026221810 738052443620 10000610611051 20001221222102 40002442444204 50003053055255 100006106110510 200012212221020