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10201112020220 = 2251190901510101
BaseRepresentation
bin1001010001110010000110…
…1010001000010011111100
31100010012212000222102021212
42110130201222020103330
52314113334134121340
633410154241343552
72102002031326622
oct224344152102374
940105760872255
1010201112020220
1132832a387a4a0
121189063937bb8
1358cc64976614
14273a44b9b512
1512a54ad24a65
hex94721a884fc

10201112020220 has 48 divisors (see below), whose sum is σ = 23370123170016. Its totient is φ = 3709447200000.

The previous prime is 10201112020193. The next prime is 10201112020277. The reversal of 10201112020220 is 2202021110201.

It is a junction number, because it is equal to n+sod(n) for n = 10201112020195 and 10201112020204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19743170 + ... + 20253270.

It is an arithmetic number, because the mean of its divisors is an integer number (486877566042).

Almost surely, 210201112020220 is an apocalyptic number.

10201112020220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10201112020220 is an abundant number, since it is smaller than the sum of its proper divisors (13169011149796).

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

10201112020220 is a wasteful number, since it uses less digits than its factorization.

10201112020220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601022 (or 601020 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 10201112020220 its reverse (2202021110201), we get a palindrome (12403133130421).

The spelling of 10201112020220 in words is "ten trillion, two hundred one billion, one hundred twelve million, twenty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 90901 181802 363604 454505 510101 909010 999911 1020202 1818020 1999822 2040404 2550505 3999644 4999555 5101010 5611111 9999110 10202020 11222222 19998220 22444444 28055555 56111110 112222220 46368691001 92737382002 185474764004 231843455005 463686910010 510055601011 927373820020 1020111202022 2040222404044 2550278005055 5100556010110 10201112020220