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1222304103020 = 2257111361054151
BaseRepresentation
bin10001110010010111000…
…000000111101001101100
311022211222110210221101002
4101302113000013221230
5130011234322244040
62333304014535432
7154210556310320
oct21622700075154
94284873727332
101222304103020
11431415889890
12178a83207578
138b3554431c0
1443234829980
1521bdcd88a15
hex11c97007a6c

1222304103020 has 96 divisors (see below), whose sum is σ = 3446384772096. Its totient is φ = 351671904000.

The previous prime is 1222304103011. The next prime is 1222304103023. The reversal of 1222304103020 is 203014032221.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1222304102983 and 1222304103001.

It is not an unprimeable number, because it can be changed into a prime (1222304103023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30507056 + ... + 30547095.

It is an arithmetic number, because the mean of its divisors is an integer number (35899841376).

Almost surely, 21222304103020 is an apocalyptic number.

1222304103020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222304103020 is an abundant number, since it is smaller than the sum of its proper divisors (2224080669076).

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

1222304103020 is a wasteful number, since it uses less digits than its factorization.

1222304103020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61054191 (or 61054189 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 1222304103020 its reverse (203014032221), we get a palindrome (1425318135241).

The spelling of 1222304103020 in words is "one trillion, two hundred twenty-two billion, three hundred four million, one hundred three thousand, twenty".

Divisors: 1 2 4 5 7 10 11 13 14 20 22 26 28 35 44 52 55 65 70 77 91 110 130 140 143 154 182 220 260 286 308 364 385 455 572 715 770 910 1001 1430 1540 1820 2002 2860 4004 5005 10010 20020 61054151 122108302 244216604 305270755 427379057 610541510 671595661 793703963 854758114 1221083020 1343191322 1587407926 1709516228 2136895285 2686382644 3174815852 3357978305 3968519815 4273790570 4701169627 5555927741 6715956610 7937039630 8547581140 8730743593 9402339254 11111855482 13431913220 15874079260 17461487186 18804678508 22223710964 23505848135 27779638705 34922974372 43653717965 47011696270 55559277410 61115205151 87307435930 94023392540 111118554820 122230410302 174614871860 244460820604 305576025755 611152051510 1222304103020