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20233330213 = 42473476381
BaseRepresentation
bin10010110110000000…
…000001111000100101
31221020002120200010111
4102312000001320211
5312414213031323
613143422253021
71314254316625
oct226600017045
957202520114
1020233330213
118643207508
123b08127171
131ba5b31955
14d9d2a2885
157d64aac0d
hex4b6001e25

20233330213 has 4 divisors (see below), whose sum is σ = 20233849068. Its totient is φ = 20232811360.

The previous prime is 20233330171. The next prime is 20233330241. The reversal of 20233330213 is 31203333202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31203333202 = 215601666601.

It can be written as a sum of positive squares in 2 ways, for example, as 2881327684 + 17352002529 = 53678^2 + 131727^2 .

It is a cyclic number.

It is not a de Polignac number, because 20233330213 - 217 = 20233199141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20233330813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195718 + ... + 280663.

It is an arithmetic number, because the mean of its divisors is an integer number (5058462267).

Almost surely, 220233330213 is an apocalyptic number.

It is an amenable number.

20233330213 is a deficient number, since it is larger than the sum of its proper divisors (518855).

20233330213 is an equidigital number, since it uses as much as digits as its factorization.

20233330213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518854.

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 20233330213 its reverse (31203333202), we get a palindrome (51436663415).

The spelling of 20233330213 in words is "twenty billion, two hundred thirty-three million, three hundred thirty thousand, two hundred thirteen".

Divisors: 1 42473 476381 20233330213