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20223113020 = 22511440920849
BaseRepresentation
bin10010110101011001…
…000011011100111100
31221012101100120202221
4102311121003130330
5312404104104040
613142415255124
71314101424115
oct226531033474
957171316687
1020223113020
118638469150
123b0481a4a4
131ba3995286
14d9bba320c
157d563d74a
hex4b564373c

20223113020 has 48 divisors (see below), whose sum is σ = 46342044000. Its totient is φ = 7351838720.

The previous prime is 20223112991. The next prime is 20223113033. The reversal of 20223113020 is 2031132202.

It is a junction number, because it is equal to n+sod(n) for n = 20223112985 and 20223113003.

It is a congruent number.

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, 959556 + ... + 980404.

It is an arithmetic number, because the mean of its divisors is an integer number (965459250).

Almost surely, 220223113020 is an apocalyptic number.

20223113020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20223113020 is an abundant number, since it is smaller than the sum of its proper divisors (26118930980).

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

20223113020 is a wasteful number, since it uses less digits than its factorization.

20223113020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25278 (or 25276 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20223113020 its reverse (2031132202), we get a palindrome (22254245222).

The spelling of 20223113020 in words is "twenty billion, two hundred twenty-three million, one hundred thirteen thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 4409 8818 17636 20849 22045 41698 44090 48499 83396 88180 96998 104245 193996 208490 229339 242495 416980 458678 484990 917356 969980 1146695 2293390 4586780 91923241 183846482 367692964 459616205 919232410 1011155651 1838464820 2022311302 4044622604 5055778255 10111556510 20223113020