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2321213222220 = 2235661264722111
BaseRepresentation
bin100001110001110011000…
…101101110110101001100
322012220110100012012222020
4201301303011232311030
5301012321041102340
64534203423050140
7326462553562344
oct41616305566514
98186410165866
102321213222220
1181546a3939a2
12315a49740950
1313ab74211479
14804c1089d24
15405a7ba59d0
hex21c7316ed4c

2321213222220 has 96 divisors (see below), whose sum is σ = 6511983292416. Its totient is φ = 617792313600.

The previous prime is 2321213222219. The next prime is 2321213222269. The reversal of 2321213222220 is 222223121232.

2321213222220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 104968965 + ... + 104991075.

It is an arithmetic number, because the mean of its divisors is an integer number (67833159296).

Almost surely, 22321213222220 is an apocalyptic number.

2321213222220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2321213222220 is an abundant number, since it is smaller than the sum of its proper divisors (4190770070196).

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

2321213222220 is a wasteful number, since it uses less digits than its factorization.

2321213222220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25431 (or 25429 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 2321213222220 its reverse (222223121232), we get a palindrome (2543436343452).

The spelling of 2321213222220 in words is "two trillion, three hundred twenty-one billion, two hundred thirteen million, two hundred twenty-two thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 661 1322 1983 2644 2647 3305 3966 5294 6610 7932 7941 9915 10588 13220 13235 15882 19830 22111 26470 31764 39660 39705 44222 52940 66333 79410 88444 110555 132666 158820 221110 265332 331665 442220 663330 1326660 1749667 3499334 5249001 6998668 8748335 10498002 14615371 17496670 20996004 26245005 29230742 34993340 43846113 52490010 58461484 58527817 73076855 87692226 104980020 117055634 146153710 175384452 175583451 219230565 234111268 292307420 292639085 351166902 438461130 585278170 702333804 876922260 877917255 1170556340 1755834510 3511669020 38686887037 77373774074 116060661111 154747548148 193434435185 232121322222 386868870370 464242644444 580303305555 773737740740 1160606611110 2321213222220