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20352006040 = 235508800151
BaseRepresentation
bin10010111101000100…
…101111011110011000
31221112100220000202111
4102331010233132120
5313140103143130
613203302042104
71320225124402
oct227504573630
957470800674
1020352006040
1186a41a4403
123b3ba19334
131bc45b3c32
14db0d55b72
157e1aee02a
hex4bd12f798

20352006040 has 16 divisors (see below), whose sum is σ = 45792013680. Its totient is φ = 8140802400.

The previous prime is 20352006011. The next prime is 20352006109. The reversal of 20352006040 is 4060025302.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254400036 + ... + 254400115.

It is an arithmetic number, because the mean of its divisors is an integer number (2862000855).

Almost surely, 220352006040 is an apocalyptic number.

20352006040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20352006040 is an abundant number, since it is smaller than the sum of its proper divisors (25440007640).

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

20352006040 is a wasteful number, since it uses less digits than its factorization.

20352006040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508800162 (or 508800158 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The spelling of 20352006040 in words is "twenty billion, three hundred fifty-two million, six thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 508800151 1017600302 2035200604 2544000755 4070401208 5088001510 10176003020 20352006040