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20077632000 = 2935531291
BaseRepresentation
bin10010101100101110…
…000101101000000000
31220211020121101100000
4102230232011220000
5312104333211000
613120141200000
71310354025156
oct225456055000
956736541300
1020077632000
1185733330a8
123a83b60000
131b7c7b922a
14d867333d6
157c79a3000
hex4acb85a00

20077632000 has 480 divisors, whose sum is σ = 75052321344. Its totient is φ = 5349888000.

The previous prime is 20077631971. The next prime is 20077632037. The reversal of 20077632000 is 23677002.

20077632000 is a `hidden beast` number, since 20 + 0 + 7 + 7 + 632 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (480).

It is a super-2 number, since 2×200776320002 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15551355 + ... + 15552645.

Almost surely, 220077632000 is an apocalyptic number.

20077632000 is a gapful number since it is divisible by the number (20) 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 20077632000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37526160672).

20077632000 is an abundant number, since it is smaller than the sum of its proper divisors (54974689344).

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

20077632000 is an frugal number, since it uses more digits than its factorization.

20077632000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1339 (or 1301 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The spelling of 20077632000 in words is "twenty billion, seventy-seven million, six hundred thirty-two thousand".