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20496473200 = 245277320169
BaseRepresentation
bin10011000101101011…
…110101110001110000
31221220102201201110001
4103011223311301300
5313434044120300
613225502315344
71323631101430
oct230553656160
957812651401
1020496473200
1187687a7755
123b80288b54
131c184c6668
14dc62002c0
157ee63916a
hex4c5af5c70

20496473200 has 60 divisors (see below), whose sum is σ = 56277466960. Its totient is φ = 7027361280.

The previous prime is 20496473197. The next prime is 20496473213. The reversal of 20496473200 is 237469402.

It is a self number, because there is not a number n which added to its sum of digits gives 20496473200.

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, 3657285 + ... + 3662884.

Almost surely, 220496473200 is an apocalyptic number.

20496473200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20496473200 is an abundant number, since it is smaller than the sum of its proper divisors (35780993760).

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

20496473200 is a wasteful number, since it uses less digits than its factorization.

20496473200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7320194 (or 7320183 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 37.

The spelling of 20496473200 in words is "twenty billion, four hundred ninety-six million, four hundred seventy-three thousand, two hundred".

Divisors: 1 2 4 5 7 8 10 14 16 20 25 28 35 40 50 56 70 80 100 112 140 175 200 280 350 400 560 700 1400 2800 7320169 14640338 29280676 36600845 51241183 58561352 73201690 102482366 117122704 146403380 183004225 204964732 256205915 292806760 366008450 409929464 512411830 585613520 732016900 819858928 1024823660 1281029575 1464033800 2049647320 2562059150 2928067600 4099294640 5124118300 10248236600 20496473200