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223130202020 = 225112246945139
BaseRepresentation
bin1100111111001110011…
…0001010111110100100
3210022221022211200200022
43033303212022332210
512123432312431040
6250300554334312
722056242265215
oct3176346127644
9708838750608
10223130202020
11866a1200340
12372b1a2a398
131806c367a4b
14ab29dc340c
155c0de026b5
hex33f398afa4

223130202020 has 48 divisors (see below), whose sum is σ = 511205083200. Its totient is φ = 81132846720.

The previous prime is 223130201977. The next prime is 223130202049. The reversal of 223130202020 is 20202031322.

It is a super-3 number, since 3×2231302020203 (a number of 35 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 223130202020.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4920611 + ... + 4965749.

It is an arithmetic number, because the mean of its divisors is an integer number (10650105900).

Almost surely, 2223130202020 is an apocalyptic number.

223130202020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223130202020 is an abundant number, since it is smaller than the sum of its proper divisors (288074881180).

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

223130202020 is a wasteful number, since it uses less digits than its factorization.

223130202020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67628 (or 67626 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 223130202020 its reverse (20202031322), we get a palindrome (243332233342).

The spelling of 223130202020 in words is "two hundred twenty-three billion, one hundred thirty million, two hundred two thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 22469 44938 45139 89876 90278 112345 180556 224690 225695 247159 449380 451390 494318 496529 902780 988636 993058 1235795 1986116 2471590 2482645 4943180 4965290 9930580 1014228191 2028456382 4056912764 5071140955 10142281910 11156510101 20284563820 22313020202 44626040404 55782550505 111565101010 223130202020