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1010200220 = 22550510011
BaseRepresentation
bin111100001101100…
…110111010011100
32121101212111011222
4330031212322130
54032102401340
6244124032512
734014363101
oct7415467234
92541774158
101010200220
11479260417
12242392738
1313139bc13
1498244aa8
155da488b5
hex3c366e9c

1010200220 has 12 divisors (see below), whose sum is σ = 2121420504. Its totient is φ = 404080080.

The previous prime is 1010200133. The next prime is 1010200229. The reversal of 1010200220 is 220020101.

It is a junction number, because it is equal to n+sod(n) for n = 1010200198 and 1010200207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010200229) 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 3 ways as a sum of consecutive naturals, for example, 25254986 + ... + 25255025.

It is an arithmetic number, because the mean of its divisors is an integer number (176785042).

Almost surely, 21010200220 is an apocalyptic number.

1010200220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1010200220 is an abundant number, since it is smaller than the sum of its proper divisors (1111220284).

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

1010200220 is a wasteful number, since it uses less digits than its factorization.

1010200220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50510020 (or 50510018 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 1010200220 is about 31783.6470531624. The cubic root of 1010200220 is about 1003.3885779034.

Adding to 1010200220 its reverse (220020101), we get a palindrome (1230220321).

The spelling of 1010200220 in words is "one billion, ten million, two hundred thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 50510011 101020022 202040044 252550055 505100110 1010200220