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1010212220220 = 223572405267191
BaseRepresentation
bin11101011001101010101…
…01110010110100111100
310120120112102111222000120
432230311111302310330
5113022403312021340
62052030213454540
7132662000122560
oct16546525626474
93516472458016
101010212220220
1135a47950a115
12143952041450
1374354c2b5b8
1436c7484d6a0
151b4280944d0
hexeb35572d3c

1010212220220 has 48 divisors (see below), whose sum is σ = 3232679106048. Its totient is φ = 230905650240.

The previous prime is 1010212220219. The next prime is 1010212220317. The reversal of 1010212220220 is 220222120101.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1010212220220.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1202633176 + ... + 1202634015.

It is an arithmetic number, because the mean of its divisors is an integer number (67347481376).

Almost surely, 21010212220220 is an apocalyptic number.

1010212220220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1010212220220 is an abundant number, since it is smaller than the sum of its proper divisors (2222466885828).

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

1010212220220 is a wasteful number, since it uses less digits than its factorization.

1010212220220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2405267210 (or 2405267208 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1010212220220 its reverse (220222120101), we get a palindrome (1230434340321).

The spelling of 1010212220220 in words is "one trillion, ten billion, two hundred twelve million, two hundred twenty thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 2405267191 4810534382 7215801573 9621068764 12026335955 14431603146 16836870337 24052671910 28863206292 33673740674 36079007865 48105343820 50510611011 67347481348 72158015730 84184351685 101021222022 144316031460 168368703370 202042444044 252553055055 336737406740 505106110110 1010212220220