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20212240210 = 2513120877393
BaseRepresentation
bin10010110100101111…
…100100111101010010
31221011121220012002021
4102310233210331102
5312343313141320
613141350242054
71313610131011
oct226457447522
957147805067
1020212240210
118632312258
123b0105632a
131ba1659366
14d9a572a78
157d46e1daa
hex4b4be4f52

20212240210 has 32 divisors (see below), whose sum is σ = 36682284672. Its totient is φ = 8018250240.

The previous prime is 20212240207. The next prime is 20212240211. The reversal of 20212240210 is 1204221202.

It is not an unprimeable number, because it can be changed into a prime (20212240211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2730274 + ... + 2737666.

It is an arithmetic number, because the mean of its divisors is an integer number (1146321396).

Almost surely, 220212240210 is an apocalyptic number.

20212240210 is a deficient number, since it is larger than the sum of its proper divisors (16470044462).

20212240210 is a wasteful number, since it uses less digits than its factorization.

20212240210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9618.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20212240210 its reverse (1204221202), we get a palindrome (21416461412).

The spelling of 20212240210 in words is "twenty billion, two hundred twelve million, two hundred forty thousand, two hundred ten".

Divisors: 1 2 5 10 131 262 655 1310 2087 4174 7393 10435 14786 20870 36965 73930 273397 546794 968483 1366985 1936966 2733970 4842415 9684830 15429191 30858382 77145955 154291910 2021224021 4042448042 10106120105 20212240210