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20201001092 = 2253310930649
BaseRepresentation
bin10010110100000100…
…101101000010000100
31221010211202011220122
4102310010231002010
5312332424013332
613140305321112
71313412450626
oct226404550204
957124664818
1020201001092
118626a36128
123ab9336198
131b9c2227ac
14d98c88c16
157d3721c12
hex4b412d084

20201001092 has 24 divisors (see below), whose sum is σ = 36031527000. Its totient is φ = 9906414336.

The previous prime is 20201001083. The next prime is 20201001101. The reversal of 20201001092 is 29010010202.

It is an interprime number because it is at equal distance from previous prime (20201001083) and next prime (20201001101).

It can be written as a sum of positive squares in 4 ways, for example, as 1201216 + 20199799876 = 1096^2 + 142126^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20201001092.

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, 643784 + ... + 674432.

It is an arithmetic number, because the mean of its divisors is an integer number (1501313625).

Almost surely, 220201001092 is an apocalyptic number.

It is an amenable number.

20201001092 is a deficient number, since it is larger than the sum of its proper divisors (15830525908).

20201001092 is a wasteful number, since it uses less digits than its factorization.

20201001092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33815 (or 33813 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 20201001092 its reverse (29010010202), we get a palindrome (49211011294).

The spelling of 20201001092 in words is "twenty billion, two hundred one million, one thousand, ninety-two".

Divisors: 1 2 4 53 106 212 3109 6218 12436 30649 61298 122596 164777 329554 659108 1624397 3248794 6497588 95287741 190575482 381150964 5050250273 10100500546 20201001092