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1012202020220 = 22550610101011
BaseRepresentation
bin11101011101010111111…
…00010001110101111100
310120202200002200021110212
432232223330101311330
5113040442204121340
62052555454051552
7133062211133006
oct16565374216574
93522602607425
101012202020220
113602aa71a326
121442084a9bb8
13745b1244051
1436dc2c11376
151b4e2adea65
hexebabf11d7c

1012202020220 has 12 divisors (see below), whose sum is σ = 2125624242504. Its totient is φ = 404880808080.

The previous prime is 1012202020217. The next prime is 1012202020261. The reversal of 1012202020220 is 220202022101.

It is a junction number, because it is equal to n+sod(n) for n = 1012202020195 and 1012202020204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25305050486 + ... + 25305050525.

It is an arithmetic number, because the mean of its divisors is an integer number (177135353542).

Almost surely, 21012202020220 is an apocalyptic number.

1012202020220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012202020220 is an abundant number, since it is smaller than the sum of its proper divisors (1113422222284).

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

1012202020220 is a wasteful number, since it uses less digits than its factorization.

1012202020220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50610101020 (or 50610101018 counting only the distinct ones).

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

Adding to 1012202020220 its reverse (220202022101), we get a palindrome (1232404042321).

The spelling of 1012202020220 in words is "one trillion, twelve billion, two hundred two million, twenty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 50610101011 101220202022 202440404044 253050505055 506101010110 1012202020220