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20023210023 = 362171073573
BaseRepresentation
bin10010101001011110…
…011111000000100111
31220200110012110102020
4102221132133000213
5312001420210043
613110514514223
71306123322415
oct225136370047
956613173366
1020023210023
118545642063
123a69895973
131b7144318b
14d7d4082b5
157c2d02e83
hex4a979f027

20023210023 has 8 divisors (see below), whose sum is σ = 26701932528. Its totient is φ = 13346647104.

The previous prime is 20023210013. The next prime is 20023210061. The reversal of 20023210023 is 32001232002.

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

It is not a de Polignac number, because 20023210023 - 24 = 20023210007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20023209984 and 20023210011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20023210013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 518136 + ... + 555437.

It is an arithmetic number, because the mean of its divisors is an integer number (3337741566).

Almost surely, 220023210023 is an apocalyptic number.

20023210023 is a deficient number, since it is larger than the sum of its proper divisors (6678722505).

20023210023 is a wasteful number, since it uses less digits than its factorization.

20023210023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079793.

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 20023210023 its reverse (32001232002), we get a palindrome (52024442025).

The spelling of 20023210023 in words is "twenty billion, twenty-three million, two hundred ten thousand, twenty-three".

Divisors: 1 3 6217 18651 1073573 3220719 6674403341 20023210023