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220120230012 = 22383221004247
BaseRepresentation
bin1100110100000000110…
…0000010100001111100
3210001011120001021022120
43031000030002201330
512101301234330022
6245042152242540
721621533040504
oct3150014024174
9701146037276
10220120230012
1185397149871
12367b19a0450
13179ac8a1617
14a922342a04
155ad4a3dd5c
hex334030287c

220120230012 has 24 divisors (see below), whose sum is σ = 519801991296. Its totient is φ = 72489392688.

The previous prime is 220120229993. The next prime is 220120230019. The reversal of 220120230012 is 210032021022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 220120229973 and 220120230000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220120230019) 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, 110501128 + ... + 110503119.

It is an arithmetic number, because the mean of its divisors is an integer number (21658416304).

Almost surely, 2220120230012 is an apocalyptic number.

It is an amenable number.

220120230012 is an abundant number, since it is smaller than the sum of its proper divisors (299681761284).

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

220120230012 is a wasteful number, since it uses less digits than its factorization.

220120230012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221004337 (or 221004335 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 220120230012 its reverse (210032021022), we get a palindrome (430152251034).

The spelling of 220120230012 in words is "two hundred twenty billion, one hundred twenty million, two hundred thirty thousand, twelve".

Divisors: 1 2 3 4 6 12 83 166 249 332 498 996 221004247 442008494 663012741 884016988 1326025482 2652050964 18343352501 36686705002 55030057503 73373410004 110060115006 220120230012