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20232303220 = 2252339432499
BaseRepresentation
bin10010110101111100…
…000111001001110100
31221020000122111100201
4102311330013021310
5312413432200340
613143344250244
71314242511523
oct226574071164
957200574321
1020232303220
118642675958
123b07910984
131ba586236c
14d9d0b64ba
157d635679a
hex4b5f07274

20232303220 has 24 divisors (see below), whose sum is σ = 42506100000. Its totient is φ = 8089442592.

The previous prime is 20232303181. The next prime is 20232303229. The reversal of 20232303220 is 2230323202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20232303229) 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, 169470 + ... + 263029.

It is an arithmetic number, because the mean of its divisors is an integer number (1771087500).

Almost surely, 220232303220 is an apocalyptic number.

20232303220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20232303220 is an abundant number, since it is smaller than the sum of its proper divisors (22273796780).

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

20232303220 is a wasteful number, since it uses less digits than its factorization.

20232303220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434847 (or 434845 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 19.

Adding to 20232303220 its reverse (2230323202), we get a palindrome (22462626422).

The spelling of 20232303220 in words is "twenty billion, two hundred thirty-two million, three hundred three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 2339 4678 9356 11695 23390 46780 432499 864998 1729996 2162495 4324990 8649980 1011615161 2023230322 4046460644 5058075805 10116151610 20232303220