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22101323020 = 2257346145613
BaseRepresentation
bin10100100101010101…
…110110110100001100
32010001021112112112021
4110211111312310030
5330230414314040
614053032015524
71411456101040
oct244525666414
963037475467
1022101323020
119411691117
1243498315a4
132112b39a3a
1410d93d8020
1589549524a
hex525576d0c

22101323020 has 48 divisors (see below), whose sum is σ = 53059664448. Its totient is φ = 7575240960.

The previous prime is 22101322973. The next prime is 22101323039. The reversal of 22101323020 is 2032310122.

It is a junction number, because it is equal to n+sod(n) for n = 22101322985 and 22101323003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 461734 + ... + 507346.

It is an arithmetic number, because the mean of its divisors is an integer number (1105409676).

Almost surely, 222101323020 is an apocalyptic number.

22101323020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22101323020 is an abundant number, since it is smaller than the sum of its proper divisors (30958341428).

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

22101323020 is a wasteful number, since it uses less digits than its factorization.

22101323020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49090 (or 49088 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 22101323020 its reverse (2032310122), we get a palindrome (24133633142).

The spelling of 22101323020 in words is "twenty-two billion, one hundred one million, three hundred twenty-three thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 3461 6922 13844 17305 24227 34610 45613 48454 69220 91226 96908 121135 182452 228065 242270 319291 456130 484540 638582 912260 1277164 1596455 3192910 6385820 157866593 315733186 631466372 789332965 1105066151 1578665930 2210132302 3157331860 4420264604 5525330755 11050661510 22101323020