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20010020322 = 2323891395983
BaseRepresentation
bin10010101000101100…
…001010110111100010
31220122112101100112210
4102220230022313202
5311440031122242
613105324102550
71305603236445
oct225054126742
956575340483
1020010020322
118539153486
123a65394a56
131b6b7a5816
14d7b77365c
157c1a99d9c
hex4a8b0ade2

20010020322 has 16 divisors (see below), whose sum is σ = 40036821120. Its totient is φ = 6667210032.

The previous prime is 20010020281. The next prime is 20010020347. The reversal of 20010020322 is 22302001002.

It is a junction number, because it is equal to n+sod(n) for n = 20010020298 and 20010020307.

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, 683658 + ... + 712325.

It is an arithmetic number, because the mean of its divisors is an integer number (2502301320).

Almost surely, 220010020322 is an apocalyptic number.

20010020322 is an abundant number, since it is smaller than the sum of its proper divisors (20026800798).

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

20010020322 is a wasteful number, since it uses less digits than its factorization.

20010020322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1398377.

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 20010020322 its reverse (22302001002), we get a palindrome (42312021324).

The spelling of 20010020322 in words is "twenty billion, ten million, twenty thousand, three hundred twenty-two".

Divisors: 1 2 3 6 2389 4778 7167 14334 1395983 2791966 4187949 8375898 3335003387 6670006774 10005010161 20010020322