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20213032310 = 2545712313593
BaseRepresentation
bin10010110100110010…
…100110010101110110
31221011200101102122022
4102310302212111312
5312344014013220
613141415233142
71313616640232
oct226462462566
957150342568
1020213032310
118632803389
123b013787b2
131ba1875a63
14d9a6db5c2
157d47eb925
hex4b4ca6576

20213032310 has 32 divisors (see below), whose sum is σ = 36502849152. Its totient is φ = 8058723840.

The previous prime is 20213032309. The next prime is 20213032313. The reversal of 20213032310 is 1323031202.

20213032310 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×202130323102 (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20213032313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5623874 + ... + 5627466.

It is an arithmetic number, because the mean of its divisors is an integer number (1140714036).

Almost surely, 220213032310 is an apocalyptic number.

20213032310 is a deficient number, since it is larger than the sum of its proper divisors (16289816842).

20213032310 is a wasteful number, since it uses less digits than its factorization.

20213032310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5288.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20213032310 its reverse (1323031202), we get a palindrome (21536063512).

The spelling of 20213032310 in words is "twenty billion, two hundred thirteen million, thirty-two thousand, three hundred ten".

Divisors: 1 2 5 10 457 914 1231 2285 2462 3593 4570 6155 7186 12310 17965 35930 562567 1125134 1642001 2812835 3284002 4422983 5625670 8210005 8845966 16420010 22114915 44229830 2021303231 4042606462 10106516155 20213032310