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20352017052 = 2232613392179
BaseRepresentation
bin10010111101000100…
…110010001010011100
31221112100220120212100
4102331010302022130
5313140104021202
613203302205100
71320225201453
oct227504621234
957470816770
1020352017052
1186a4201704
123b3ba23790
131bc45b8c53
14db0d59b9a
157e1b0241c
hex4bd13229c

20352017052 has 36 divisors (see below), whose sum is σ = 51454322920. Its totient is φ = 6782825952.

The previous prime is 20352017047. The next prime is 20352017057. The reversal of 20352017052 is 25071025302.

20352017052 is a `hidden beast` number, since 20 + 3 + 520 + 1 + 70 + 52 = 666.

It is an interprime number because it is at equal distance from previous prime (20352017047) and next prime (20352017057).

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20352017057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 174699 + ... + 266877.

Almost surely, 220352017052 is an apocalyptic number.

It is an amenable number.

20352017052 is an abundant number, since it is smaller than the sum of its proper divisors (31102305868).

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

20352017052 is a wasteful number, since it uses less digits than its factorization.

20352017052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98322 (or 98317 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The spelling of 20352017052 in words is "twenty billion, three hundred fifty-two million, seventeen thousand, fifty-two".

Divisors: 1 2 3 4 6 9 12 18 36 6133 12266 18399 24532 36798 55197 73596 92179 110394 184358 220788 276537 368716 553074 829611 1106148 1659222 3318444 565333807 1130667614 1696001421 2261335228 3392002842 5088004263 6784005684 10176008526 20352017052