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1010022220 = 2251011074673
BaseRepresentation
bin111100001100111…
…011011101001100
32121101112110000101
4330030323131030
54032031202340
6244120140444
734013022124
oct7414733514
92541473011
101010022220
11479149709
12242307724
13131338bac
14981d9c84
155da10c9a
hex3c33b74c

1010022220 has 48 divisors (see below), whose sum is σ = 2162528928. Its totient is φ = 396185600.

The previous prime is 1010022217. The next prime is 1010022229. The reversal of 1010022220 is 222200101.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 1010022197 and 1010022206.

It is not an unprimeable number, because it can be changed into a prime (1010022229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213804 + ... + 218476.

It is an arithmetic number, because the mean of its divisors is an integer number (45052686).

Almost surely, 21010022220 is an apocalyptic number.

1010022220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1010022220 is an abundant number, since it is smaller than the sum of its proper divisors (1152506708).

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

1010022220 is a wasteful number, since it uses less digits than its factorization.

1010022220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4890 (or 4888 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 1010022220 is about 31780.8467476875. The cubic root of 1010022220 is about 1003.3296411849.

Adding to 1010022220 its reverse (222200101), we get a palindrome (1232222321).

The spelling of 1010022220 in words is "one billion, ten million, twenty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 101 107 202 214 404 428 505 535 1010 1070 2020 2140 4673 9346 10807 18692 21614 23365 43228 46730 54035 93460 108070 216140 471973 500011 943946 1000022 1887892 2000044 2359865 2500055 4719730 5000110 9439460 10000220 50501111 101002222 202004444 252505555 505011110 1010022220