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23002414220 = 2251960532669
BaseRepresentation
bin10101011011000011…
…001111110010001100
32012101002002201021102
4111123003033302030
5334102104223340
614322301322232
71443010203062
oct253303176214
965332081242
1023002414220
119834299295
12455b566378
132227725cb6
141182d5a032
158e963a215
hex55b0cfc8c

23002414220 has 24 divisors (see below), whose sum is σ = 50847442800. Its totient is φ = 8716704192.

The previous prime is 23002414217. The next prime is 23002414223. The reversal of 23002414220 is 2241420032.

It is an interprime number because it is at equal distance from previous prime (23002414217) and next prime (23002414223).

It is a super-2 number, since 2×230024142202 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 23002414192 and 23002414201.

It is not an unprimeable number, because it can be changed into a prime (23002414223) 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, 30265955 + ... + 30266714.

It is an arithmetic number, because the mean of its divisors is an integer number (2118643450).

Almost surely, 223002414220 is an apocalyptic number.

23002414220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23002414220 is an abundant number, since it is smaller than the sum of its proper divisors (27845028580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23002414220 is a wasteful number, since it uses less digits than its factorization.

23002414220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60532697 (or 60532695 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 23002414220 its reverse (2241420032), we get a palindrome (25243834252).

The spelling of 23002414220 in words is "twenty-three billion, two million, four hundred fourteen thousand, two hundred twenty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 60532669 121065338 242130676 302663345 605326690 1150120711 1210653380 2300241422 4600482844 5750603555 11501207110 23002414220