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325220310020 = 225731867119311
BaseRepresentation
bin1001011101110001010…
…01000001110000000100
31011002110011101112002102
410232320221001300010
520312022344410040
6405223143531232
732332156011104
oct4567051016004
91132404345072
10325220310020
11115a1a428521
1253043759b18
132488bbb0988
1411a52877204
1586d689d515
hex4bb8a41c04

325220310020 has 48 divisors (see below), whose sum is σ = 692694928128. Its totient is φ = 128236296960.

The previous prime is 325220310011. The next prime is 325220310047. The reversal of 325220310020 is 20013022523.

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 = 325220309974 and 325220310001.

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, 2666165 + ... + 2785475.

It is an arithmetic number, because the mean of its divisors is an integer number (14431144336).

Almost surely, 2325220310020 is an apocalyptic number.

It is an amenable number.

325220310020 is an abundant number, since it is smaller than the sum of its proper divisors (367474618108).

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

325220310020 is a wasteful number, since it uses less digits than its factorization.

325220310020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121260 (or 121258 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 325220310020 its reverse (20013022523), we get a palindrome (345233332543).

The spelling of 325220310020 in words is "three hundred twenty-five billion, two hundred twenty million, three hundred ten thousand, twenty".

Divisors: 1 2 4 5 10 20 73 146 292 365 730 1460 1867 3734 7468 9335 18670 37340 119311 136291 238622 272582 477244 545164 596555 681455 1193110 1362910 2386220 2725820 8709703 17419406 34838812 43548515 87097030 174194060 222753637 445507274 891014548 1113768185 2227536370 4455072740 16261015501 32522031002 65044062004 81305077505 162610155010 325220310020