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2221201313020 = 2254212153122527
BaseRepresentation
bin100000010100101001111…
…010100100110011111100
321212100022100010211101001
4200110221322210303330
5242343010014004040
64420223352500044
7316322303433214
oct40245172446374
97770270124331
102221201313020
11787008264288
122ba5979aa624
131315c60c2181
1479714609244
153cba28b759a
hex20529ea4cfc

2221201313020 has 48 divisors (see below), whose sum is σ = 4677812229888. Its totient is φ = 885951198720.

The previous prime is 2221201312999. The next prime is 2221201313053. The reversal of 2221201313020 is 203131021222.

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, 18066997 + ... + 18189523.

It is an arithmetic number, because the mean of its divisors is an integer number (97454421456).

Almost surely, 22221201313020 is an apocalyptic number.

2221201313020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2221201313020 is an abundant number, since it is smaller than the sum of its proper divisors (2456610916868).

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

2221201313020 is a wasteful number, since it uses less digits than its factorization.

2221201313020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125110 (or 125108 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 2221201313020 its reverse (203131021222), we get a palindrome (2424332334242).

The spelling of 2221201313020 in words is "two trillion, two hundred twenty-one billion, two hundred one million, three hundred thirteen thousand, twenty".

Divisors: 1 2 4 5 10 20 421 842 1684 2105 2153 4210 4306 8420 8612 10765 21530 43060 122527 245054 490108 612635 906413 1225270 1812826 2450540 3625652 4532065 9064130 18128260 51583867 103167734 206335468 257919335 263800631 515838670 527601262 1031677340 1055202524 1319003155 2638006310 5276012620 111060065651 222120131302 444240262604 555300328255 1110600656510 2221201313020