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20322130020 = 2235834080749
BaseRepresentation
bin10010111011010010…
…110001100001100100
31221110021200011120020
4102323102301201210
5313104431130040
613200313435140
71316413153323
oct227322614144
957407604506
1020322130020
118689349085
123b31a0bab0
131bbb35350a
14daadba0ba
157de19bcd0
hex4bb4b1864

20322130020 has 48 divisors (see below), whose sum is σ = 57587544000. Its totient is φ = 5353941376.

The previous prime is 20322130019. The next prime is 20322130061. The reversal of 20322130020 is 2003122302.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 2035395 + ... + 2045354.

It is an arithmetic number, because the mean of its divisors is an integer number (1199740500).

Almost surely, 220322130020 is an apocalyptic number.

20322130020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20322130020 is an abundant number, since it is smaller than the sum of its proper divisors (37265413980).

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

20322130020 is a wasteful number, since it uses less digits than its factorization.

20322130020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4080844 (or 4080842 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 20322130020 its reverse (2003122302), we get a palindrome (22325252322).

The spelling of 20322130020 in words is "twenty billion, three hundred twenty-two million, one hundred thirty thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 83 166 249 332 415 498 830 996 1245 1660 2490 4980 4080749 8161498 12242247 16322996 20403745 24484494 40807490 48968988 61211235 81614980 122422470 244844940 338702167 677404334 1016106501 1354808668 1693510835 2032213002 3387021670 4064426004 5080532505 6774043340 10161065010 20322130020