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202012032130320 = 24352781730259079
BaseRepresentation
bin101101111011101010010111…
…011010100101110100010000
3222111021011100212001110101210
4231323222113122211310100
5202434231120211132240
61553351014004500120
760356613322246656
oct5573522732456420
9874234325043353
10202012032130320
1159404904770795
121a7a73509aa640
138894864527599
1437c5612496dd6
151854be3537780
hexb7ba976a5d10

202012032130320 has 80 divisors (see below), whose sum is σ = 626259833055360. Its totient is φ = 53867936873472.

The previous prime is 202012032130261. The next prime is 202012032130409. The reversal of 202012032130320 is 23031230210202.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×2020120321303202 (a number of 29 digits) contains 22 as substring.

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, 8453460 + ... + 21805619.

It is an arithmetic number, because the mean of its divisors is an integer number (7828247913192).

Almost surely, 2202012032130320 is an apocalyptic number.

202012032130320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202012032130320 is an abundant number, since it is smaller than the sum of its proper divisors (424247800925040).

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

202012032130320 is a wasteful number, since it uses less digits than its factorization.

202012032130320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30286912 (or 30286906 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 202012032130320 its reverse (23031230210202), we get a palindrome (225043262340522).

The spelling of 202012032130320 in words is "two hundred two trillion, twelve billion, thirty-two million, one hundred thirty thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 27817 55634 83451 111268 139085 166902 222536 278170 333804 417255 445072 556340 667608 834510 1112680 1335216 1669020 2225360 3338040 6676080 30259079 60518158 90777237 121036316 151295395 181554474 242072632 302590790 363108948 453886185 484145264 605181580 726217896 907772370 1210363160 1452435792 1815544740 2420726320 3631089480 7262178960 841716800543 1683433601086 2525150401629 3366867202172 4208584002715 5050300803258 6733734404344 8417168005430 10100601606516 12625752008145 13467468808688 16834336010860 20201203213032 25251504016290 33668672021720 40402406426064 50503008032580 67337344043440 101006016065160 202012032130320