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20200221021200 = 2452114590959323
BaseRepresentation
bin1001001011111001110101…
…11111111001010000010000
32122112010022010122020020112
410211330322333321100100
510121430023040134300
6110543504201300452
74153263210434363
oct445747277712020
978463263566215
1020200221021200
116488958169790
122322b31194728
13b36b4633a38c
144db9a58340da
152506c2917e35
hex125f3aff9410

20200221021200 has 60 divisors (see below), whose sum is σ = 52942942924368. Its totient is φ = 7345534915200.

The previous prime is 20200221021161. The next prime is 20200221021223. The reversal of 20200221021200 is 212012200202.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2295475262 + ... + 2295484061.

Almost surely, 220200221021200 is an apocalyptic number.

20200221021200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20200221021200 is an abundant number, since it is smaller than the sum of its proper divisors (32742721903168).

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

20200221021200 is a wasteful number, since it uses less digits than its factorization.

20200221021200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4590959352 (or 4590959341 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20200221021200 its reverse (212012200202), we get a palindrome (20412233221402).

The spelling of 20200221021200 in words is "twenty trillion, two hundred billion, two hundred twenty-one million, twenty-one thousand, two hundred".

Divisors: 1 2 4 5 8 10 11 16 20 22 25 40 44 50 55 80 88 100 110 176 200 220 275 400 440 550 880 1100 2200 4400 4590959323 9181918646 18363837292 22954796615 36727674584 45909593230 50500552553 73455349168 91819186460 101001105106 114773983075 183638372920 202002210212 229547966150 252502762765 367276745840 404004420424 459095932300 505005525530 808008840848 918191864600 1010011051060 1262513813825 1836383729200 2020022102120 2525027627650 4040044204240 5050055255300 10100110510600 20200221021200