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1012022020220 = 2253110067162143
BaseRepresentation
bin11101011101000010011…
…01101000100001111100
310120202012112222022220012
432232201031220201330
5113040110114121340
62052525544042352
7133054564144451
oct16564115504174
93522175868805
101012022020220
113602180576a2
121441781633b8
1374582b70183
1436da6d57828
151b4d1dd6565
hexeba136887c

1012022020220 has 48 divisors (see below), whose sum is σ = 2194034024448. Its totient is φ = 391709129280.

The previous prime is 1012022020171. The next prime is 1012022020249. The reversal of 1012022020220 is 220202202101.

1012022020220 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 = 1012022020195 and 1012022020204.

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, 6160469 + ... + 6322611.

It is an arithmetic number, because the mean of its divisors is an integer number (45709042176).

Almost surely, 21012022020220 is an apocalyptic number.

1012022020220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012022020220 is an abundant number, since it is smaller than the sum of its proper divisors (1182012004228).

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

1012022020220 is a wasteful number, since it uses less digits than its factorization.

1012022020220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172250 (or 172248 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 1012022020220 its reverse (220202202101), we get a palindrome (1232224222321).

The spelling of 1012022020220 in words is "one trillion, twelve billion, twenty-two million, twenty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 10067 20134 40268 50335 100670 162143 201340 312077 324286 624154 648572 810715 1248308 1560385 1621430 3120770 3242860 5026433 6241540 10052866 20105732 25132165 50264330 100528660 1632293581 3264587162 6529174324 8161467905 16322935810 32645871620 50601101011 101202202022 202404404044 253005505055 506011010110 1012022020220