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20212011230 = 252021201123
BaseRepresentation
bin10010110100101110…
…101101000011011110
31221011121110112222112
4102310232231003132
5312343233324410
613141341314022
71313605155305
oct226456550336
957147415875
1020212011230
118632176214
123b00b65912
131ba15a9078
14d9a51343c
157d4699105
hex4b4bad0de

20212011230 has 8 divisors (see below), whose sum is σ = 36381620232. Its totient is φ = 8084804488.

The previous prime is 20212011221. The next prime is 20212011233. The reversal of 20212011230 is 3211021202.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×202120112302 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20212011233) 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 3 ways as a sum of consecutive naturals, for example, 1010600552 + ... + 1010600571.

It is an arithmetic number, because the mean of its divisors is an integer number (4547702529).

Almost surely, 220212011230 is an apocalyptic number.

20212011230 is a deficient number, since it is larger than the sum of its proper divisors (16169609002).

20212011230 is a wasteful number, since it uses less digits than its factorization.

20212011230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2021201130.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20212011230 its reverse (3211021202), we get a palindrome (23423032432).

The spelling of 20212011230 in words is "twenty billion, two hundred twelve million, eleven thousand, two hundred thirty".

Divisors: 1 2 5 10 2021201123 4042402246 10106005615 20212011230