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20207214648 = 23322291225571
BaseRepresentation
bin10010110100011100…
…011010000000111000
31221011021102212022100
4102310130122000320
5312341021332043
613141050423400
71313516330145
oct226434320070
957137385270
1020207214648
11862a49a4a5
123abb431b60
131ba05b9a5a
14d99a253cc
157d404ccd3
hex4b471a038

20207214648 has 48 divisors (see below), whose sum is σ = 54966904200. Its totient is φ = 6706319040.

The previous prime is 20207214553. The next prime is 20207214683. The reversal of 20207214648 is 84641270202.

20207214648 is a `hidden beast` number, since 2 + 0 + 2 + 0 + 7 + 2 + 1 + 4 + 648 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 596298 + ... + 629273.

Almost surely, 220207214648 is an apocalyptic number.

It is an amenable number.

20207214648 is an abundant number, since it is smaller than the sum of its proper divisors (34759689552).

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

20207214648 is a wasteful number, since it uses less digits than its factorization.

20207214648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225812 (or 1225805 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The spelling of 20207214648 in words is "twenty billion, two hundred seven million, two hundred fourteen thousand, six hundred forty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 229 458 687 916 1374 1832 2061 2748 4122 5496 8244 16488 1225571 2451142 3676713 4902284 7353426 9804568 11030139 14706852 22060278 29413704 44120556 88241112 280655759 561311518 841967277 1122623036 1683934554 2245246072 2525901831 3367869108 5051803662 6735738216 10103607324 20207214648