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20622531201 = 3194615571409
BaseRepresentation
bin10011001101001100…
…101101101010000001
31222020012221010111220
4103031030231222001
5314213331444301
613250204225253
71330021423446
oct231514555201
958205833456
1020622531201
118822976a18
123bb653b229
131c38661aac
14dd8c559cd
1580a739936
hex4cd32da81

20622531201 has 32 divisors (see below), whose sum is σ = 29079388800. Its totient is φ = 12963962880.

The previous prime is 20622531197. The next prime is 20622531203. The reversal of 20622531201 is 10213522602.

It is not a de Polignac number, because 20622531201 - 22 = 20622531197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20622531203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14635585 + ... + 14636993.

It is an arithmetic number, because the mean of its divisors is an integer number (908730900).

Almost surely, 220622531201 is an apocalyptic number.

It is an amenable number.

20622531201 is a deficient number, since it is larger than the sum of its proper divisors (8456857599).

20622531201 is a wasteful number, since it uses less digits than its factorization.

20622531201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2449.

The product of its (nonzero) digits is 1440, while the sum is 24.

The spelling of 20622531201 in words is "twenty billion, six hundred twenty-two million, five hundred thirty-one thousand, two hundred one".

Divisors: 1 3 19 57 461 557 1383 1409 1671 4227 8759 10583 26277 26771 31749 80313 256777 649549 770331 784813 1948647 2354439 4878763 12341431 14636289 14911447 37024293 44734341 361798793 1085396379 6874177067 20622531201