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20323232101 = 23883618787
BaseRepresentation
bin10010111011010110…
…111110100101100101
31221110100202011100001
4102323112332211211
5313110221411401
613200353221301
71316425423354
oct227326764545
957410664301
1020323232101
118689a31097
123b32261831
131bbb64b033
14dab1c599b
157de318601
hex4bb5be965

20323232101 has 4 divisors (see below), whose sum is σ = 21206850912. Its totient is φ = 19439613292.

The previous prime is 20323232053. The next prime is 20323232107. The reversal of 20323232101 is 10123232302.

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 20323232101 - 29 = 20323231589 is a prime.

It is a super-2 number, since 2×203232321012 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20323232107) 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, 441809371 + ... + 441809416.

It is an arithmetic number, because the mean of its divisors is an integer number (5301712728).

Almost surely, 220323232101 is an apocalyptic number.

It is an amenable number.

20323232101 is a deficient number, since it is larger than the sum of its proper divisors (883618811).

20323232101 is an equidigital number, since it uses as much as digits as its factorization.

20323232101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883618810.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20323232101 its reverse (10123232302), we get a palindrome (30446464403).

The spelling of 20323232101 in words is "twenty billion, three hundred twenty-three million, two hundred thirty-two thousand, one hundred one".

Divisors: 1 23 883618787 20323232101