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20024210213 = 72860601459
BaseRepresentation
bin10010101001100010…
…010011001100100101
31220200112002021102022
4102221202103030211
5312002144211323
613110552152525
71306134656420
oct225142231445
956615067368
1020024210213
118546165567
123a6a098745
131b717034c7
14d7d5c89b7
157c2e4e4c8
hex4a9893325

20024210213 has 4 divisors (see below), whose sum is σ = 22884811680. Its totient is φ = 17163608748.

The previous prime is 20024210209. The next prime is 20024210233. The reversal of 20024210213 is 31201242002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20024210213 - 22 = 20024210209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20024210191 and 20024210200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20024210233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1430300723 + ... + 1430300736.

It is an arithmetic number, because the mean of its divisors is an integer number (5721202920).

Almost surely, 220024210213 is an apocalyptic number.

It is an amenable number.

20024210213 is a deficient number, since it is larger than the sum of its proper divisors (2860601467).

20024210213 is an equidigital number, since it uses as much as digits as its factorization.

20024210213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2860601466.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20024210213 its reverse (31201242002), we get a palindrome (51225452215).

The spelling of 20024210213 in words is "twenty billion, twenty-four million, two hundred ten thousand, two hundred thirteen".

Divisors: 1 7 2860601459 20024210213