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20054019216 = 24371122973233
BaseRepresentation
bin10010101011010100…
…000000110010010000
31220202121011201200110
4102223110000302100
5312032312103331
613113535121320
71306646231220
oct225324006220
956677151613
1020054019216
118560a75500
123a78073240
131b7793c57a
14d83548080
157c588b946
hex4ab500c90

20054019216 has 480 divisors, whose sum is σ = 68538113280. Its totient is φ = 4939038720.

The previous prime is 20054019197. The next prime is 20054019221. The reversal of 20054019216 is 61291045002.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 86068636 + ... + 86068868.

It is an arithmetic number, because the mean of its divisors is an integer number (142787736).

Almost surely, 220054019216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20054019216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34269056640).

20054019216 is an abundant number, since it is smaller than the sum of its proper divisors (48484094064).

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

20054019216 is a wasteful number, since it uses less digits than its factorization.

20054019216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375 (or 358 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The spelling of 20054019216 in words is "twenty billion, fifty-four million, nineteen thousand, two hundred sixteen".