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1012010220020 = 2251791427198097
BaseRepresentation
bin11101011101000001000…
…00100111100111110100
310120202011201202211001202
432232200200213213310
5113040044104020040
62052524443112032
7133054361636522
oct16564040474764
93522151684052
101012010220020
11360211427a68
12144174212618
137458059b0c7
1436da5565312
151b4d0d55015
hexeba08279f4

1012010220020 has 48 divisors (see below), whose sum is σ = 2138602616640. Its totient is φ = 402258491904.

The previous prime is 1012010220017. The next prime is 1012010220049. The reversal of 1012010220020 is 200220102101.

It is a happy number.

1012010220020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1012010219983 and 1012010220010.

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, 5009612 + ... + 5207708.

It is an arithmetic number, because the mean of its divisors is an integer number (44554221180).

Almost surely, 21012010220020 is an apocalyptic number.

1012010220020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012010220020 is an abundant number, since it is smaller than the sum of its proper divisors (1126592396620).

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

1012010220020 is a wasteful number, since it uses less digits than its factorization.

1012010220020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199712 (or 199710 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1012010220020 its reverse (200220102101), we get a palindrome (1212230322121).

The spelling of 1012010220020 in words is "one trillion, twelve billion, ten million, two hundred twenty thousand, twenty".

Divisors: 1 2 4 5 10 20 179 358 716 895 1427 1790 2854 3580 5708 7135 14270 28540 198097 255433 396194 510866 792388 990485 1021732 1277165 1980970 2554330 3961940 5108660 35459363 70918726 141837452 177296815 282684419 354593630 565368838 709187260 1130737676 1413422095 2826844190 5653688380 50600511001 101201022002 202402044004 253002555005 506005110010 1012010220020