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1220220222010 = 25711938904767
BaseRepresentation
bin10001110000011010110…
…010101111101000111010
311022122121020121211000221
4101300122302233220322
5124443002334101020
62332321134050254
7154105123516426
oct21603262575072
94278536554027
101220220222010
11430546560179
121785a134998a
138b0b27aa10a
14430b7b77b86
1521b19e576aa
hex11c1acafa3a

1220220222010 has 32 divisors (see below), whose sum is σ = 2238872389632. Its totient is φ = 478720220160.

The previous prime is 1220220221977. The next prime is 1220220222041. The reversal of 1220220222010 is 102220220221.

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, 4315354 + ... + 4589413.

It is an arithmetic number, because the mean of its divisors is an integer number (69964762176).

Almost surely, 21220220222010 is an apocalyptic number.

1220220222010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220220222010 is a deficient number, since it is larger than the sum of its proper divisors (1018652167622).

1220220222010 is a wasteful number, since it uses less digits than its factorization.

1220220222010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8905038.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 1220220222010 its reverse (102220220221), we get a palindrome (1322440442231).

The spelling of 1220220222010 in words is "one trillion, two hundred twenty billion, two hundred twenty million, two hundred twenty-two thousand, ten".

Divisors: 1 2 5 10 71 142 193 355 386 710 965 1930 13703 27406 68515 137030 8904767 17809534 44523835 89047670 632238457 1264476914 1718620031 3161192285 3437240062 6322384570 8593100155 17186200310 122022022201 244044044402 610110111005 1220220222010