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20024317023 = 365563101807
BaseRepresentation
bin10010101001100010…
…101101010001011111
31220200112021200221020
4102221202231101133
5312002211121043
613110554335223
71306135613004
oct225142552137
956615250836
1020024317023
118546228837
123a6a12a513
131b7173ccc9
14d7d6158ab
157c2e70e83
hex4a98ad45f

20024317023 has 8 divisors (see below), whose sum is σ = 26699758848. Its totient is φ = 13349209944.

The previous prime is 20024317007. The next prime is 20024317069. The reversal of 20024317023 is 32071342002.

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

It is not a de Polignac number, because 20024317023 - 24 = 20024317007 is a prime.

It is a super-5 number, since 5×200243170235 (a number of 53 digits) contains 55555 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20024316984 and 20024317002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20024310023) 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, 145786 + ... + 247592.

It is an arithmetic number, because the mean of its divisors is an integer number (3337469856).

Almost surely, 220024317023 is an apocalyptic number.

20024317023 is a deficient number, since it is larger than the sum of its proper divisors (6675441825).

20024317023 is a wasteful number, since it uses less digits than its factorization.

20024317023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167373.

The product of its (nonzero) digits is 2016, while the sum is 24.

Adding to 20024317023 its reverse (32071342002), we get a palindrome (52095659025).

The spelling of 20024317023 in words is "twenty billion, twenty-four million, three hundred seventeen thousand, twenty-three".

Divisors: 1 3 65563 101807 196689 305421 6674772341 20024317023