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20206004622 = 239734718221
BaseRepresentation
bin10010110100010111…
…110010100110001110
31221011012011101110120
4102310113302212032
5312340214121442
613141004445410
71313503130316
oct226427624616
957135141416
1020206004622
118629843381
123abab49866
131ba028506b
14d997cc446
157d3dae4ec
hex4b45f298e

20206004622 has 16 divisors (see below), whose sum is σ = 40828629072. Its totient is φ = 6665898240.

The previous prime is 20206004617. The next prime is 20206004629. The reversal of 20206004622 is 22640060202.

It is a junction number, because it is equal to n+sod(n) for n = 20206004592 and 20206004601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20206004629) 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, 17358529 + ... + 17359692.

It is an arithmetic number, because the mean of its divisors is an integer number (2551789317).

Almost surely, 220206004622 is an apocalyptic number.

20206004622 is an abundant number, since it is smaller than the sum of its proper divisors (20622624450).

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

20206004622 is a wasteful number, since it uses less digits than its factorization.

20206004622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34718323.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 20206004622 its reverse (22640060202), we get a palindrome (42846064824).

The spelling of 20206004622 in words is "twenty billion, two hundred six million, four thousand, six hundred twenty-two".

Divisors: 1 2 3 6 97 194 291 582 34718221 69436442 104154663 208309326 3367667437 6735334874 10103002311 20206004622