Search a number
-
+
23302033220 = 2252834116967
BaseRepresentation
bin10101101100111010…
…001100111101000100
32020010221212221021102
4111230322030331010
5340210310030340
614412123235232
71453306004624
oct255472147504
966127787242
1023302033220
1199784324a4
124623978b18
13227481c54b
1411b0a70884
15915ac1215
hex56ce8cf44

23302033220 has 24 divisors (see below), whose sum is σ = 49107194304. Its totient is φ = 9287875296.

The previous prime is 23302033187. The next prime is 23302033231. The reversal of 23302033220 is 2233020332.

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 = 23302033192 and 23302033201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2052824 + ... + 2064143.

It is an arithmetic number, because the mean of its divisors is an integer number (2046133096).

Almost surely, 223302033220 is an apocalyptic number.

23302033220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23302033220 is an abundant number, since it is smaller than the sum of its proper divisors (25805161084).

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

23302033220 is a wasteful number, since it uses less digits than its factorization.

23302033220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4117259 (or 4117257 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 20.

Adding to 23302033220 its reverse (2233020332), we get a palindrome (25535053552).

The spelling of 23302033220 in words is "twenty-three billion, three hundred two million, thirty-three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 283 566 1132 1415 2830 5660 4116967 8233934 16467868 20584835 41169670 82339340 1165101661 2330203322 4660406644 5825508305 11651016610 23302033220