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23300013020 = 2251165000651
BaseRepresentation
bin10101101100110010…
…011111101111011100
32020010211002022002012
4111230302133233130
5340204300404040
614412012050352
71453252562054
oct255462375734
966124068065
1023300013020
119977282709
1246231639b8
132274292b6b
1411b06a6564
15915822865
hex56cc9fbdc

23300013020 has 12 divisors (see below), whose sum is σ = 48930027384. Its totient is φ = 9320005200.

The previous prime is 23300013007. The next prime is 23300013089. The reversal of 23300013020 is 2031000332.

It is a junction number, because it is equal to n+sod(n) for n = 23300012986 and 23300013004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 582500306 + ... + 582500345.

It is an arithmetic number, because the mean of its divisors is an integer number (4077502282).

Almost surely, 223300013020 is an apocalyptic number.

23300013020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23300013020 is an abundant number, since it is smaller than the sum of its proper divisors (25630014364).

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

23300013020 is a wasteful number, since it uses less digits than its factorization.

23300013020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165000660 (or 1165000658 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 14.

Adding to 23300013020 its reverse (2031000332), we get a palindrome (25331013352).

The spelling of 23300013020 in words is "twenty-three billion, three hundred million, thirteen thousand, twenty".

Divisors: 1 2 4 5 10 20 1165000651 2330001302 4660002604 5825003255 11650006510 23300013020