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10100022000020 = 2253532081687457
BaseRepresentation
bin1001001011111001100000…
…1110010011100110010100
31022202112220220021022102122
42102332120032103212110
52310434321113000040
633251515215355112
72061462650331641
oct222763016234624
938675826238378
1010100022000020
113244439126057
121171550b22a98
1358357439b814
1426cbb5078dc8
15127ad10761b5
hex92f98393994

10100022000020 has 48 divisors (see below), whose sum is σ = 21280383382608. Its totient is φ = 4026622279680.

The previous prime is 10100022000011. The next prime is 10100022000059. The reversal of 10100022000020 is 2000022000101.

It can be written as a sum of positive squares in 8 ways, for example, as 1976689778704 + 8123332221316 = 1405948^2 + 2850146^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10100021999971 and 10100022000007.

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, 14348132 + ... + 15035588.

It is an arithmetic number, because the mean of its divisors is an integer number (443341320471).

Almost surely, 210100022000020 is an apocalyptic number.

10100022000020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10100022000020 is an abundant number, since it is smaller than the sum of its proper divisors (11180361382588).

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

10100022000020 is a wasteful number, since it uses less digits than its factorization.

10100022000020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689900 (or 689898 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 10100022000020 its reverse (2000022000101), we get a palindrome (12100044000121).

The spelling of 10100022000020 in words is "ten trillion, one hundred billion, twenty-two million, twenty", and thus it is an aban number.

Divisors: 1 2 4 5 10 20 353 706 1412 1765 2081 3530 4162 7060 8324 10405 20810 41620 687457 734593 1374914 1469186 2749828 2938372 3437285 3672965 6874570 7345930 13749140 14691860 242672321 485344642 970689284 1213361605 1430598017 2426723210 2861196034 4853446420 5722392068 7152990085 14305980170 28611960340 505001100001 1010002200002 2020004400004 2525005500005 5050011000010 10100022000020