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20271624364 = 2217491607153
BaseRepresentation
bin10010111000010010…
…000111000010101100
31221022202122012211101
4102320102013002230
5313004013434424
613151311132444
71315230651445
oct227022070254
957282565741
1020271624364
118662892472
123b18b14124
131bb0a4bc04
14da43d02cc
157d9a22344
hex4b84870ac

20271624364 has 24 divisors (see below), whose sum is σ = 37638690768. Its totient is φ = 9520143360.

The previous prime is 20271624353. The next prime is 20271624389. The reversal of 20271624364 is 46342617202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270189 + ... + 336964.

It is an arithmetic number, because the mean of its divisors is an integer number (1568278782).

Almost surely, 220271624364 is an apocalyptic number.

It is an amenable number.

20271624364 is a deficient number, since it is larger than the sum of its proper divisors (17367066404).

20271624364 is a wasteful number, since it uses less digits than its factorization.

20271624364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607665 (or 607663 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 37.

The spelling of 20271624364 in words is "twenty billion, two hundred seventy-one million, six hundred twenty-four thousand, three hundred sixty-four".

Divisors: 1 2 4 17 34 68 491 982 1964 8347 16694 33388 607153 1214306 2428612 10321601 20643202 41286404 298112123 596224246 1192448492 5067906091 10135812182 20271624364