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325013220020 = 22531524214871
BaseRepresentation
bin1001011101011000100…
…11000010101010110100
31011001220201201021000102
410232230103002222310
520311111341020040
6405150425133232
732324062534136
oct4565423025264
91131821637012
10325013220020
11115923542765
1252ba632a218
1324858013508
1411a3316b056
1586c35e3515
hex4bac4c2ab4

325013220020 has 24 divisors (see below), whose sum is σ = 704544787968. Its totient is φ = 125811568800.

The previous prime is 325013219981. The next prime is 325013220067. The reversal of 325013220020 is 20022310523.

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 = 325013219974 and 325013220001.

It is a congruent number.

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, 262106816 + ... + 262108055.

It is an arithmetic number, because the mean of its divisors is an integer number (29356032832).

Almost surely, 2325013220020 is an apocalyptic number.

It is an amenable number.

325013220020 is an abundant number, since it is smaller than the sum of its proper divisors (379531567948).

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

325013220020 is a wasteful number, since it uses less digits than its factorization.

325013220020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524214911 (or 524214909 counting only the distinct ones).

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

Adding to 325013220020 its reverse (20022310523), we get a palindrome (345035530543).

The spelling of 325013220020 in words is "three hundred twenty-five billion, thirteen million, two hundred twenty thousand, twenty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 524214871 1048429742 2096859484 2621074355 5242148710 10484297420 16250661001 32501322002 65002644004 81253305005 162506610010 325013220020