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20136208092 = 223711136127481
BaseRepresentation
bin10010110000001101…
…100010011011011100
31220222022211100121220
4102300031202123130
5312214332124332
613130032453340
71311664642020
oct226015423334
956868740556
1020136208092
1185a34011a0
123a9b6aa250
131b8b988040
14d90420380
157ccbc3d2c
hex4b03626dc

20136208092 has 192 divisors, whose sum is σ = 64120562688. Its totient is φ = 4748544000.

The previous prime is 20136208067. The next prime is 20136208159. The reversal of 20136208092 is 29080263102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 718992 + ... + 746472.

It is an arithmetic number, because the mean of its divisors is an integer number (333961264).

Almost surely, 220136208092 is an apocalyptic number.

20136208092 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20136208092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32060281344).

20136208092 is an abundant number, since it is smaller than the sum of its proper divisors (43984354596).

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

20136208092 is a wasteful number, since it uses less digits than its factorization.

20136208092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27580 (or 27578 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The spelling of 20136208092 in words is "twenty billion, one hundred thirty-six million, two hundred eight thousand, ninety-two".