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20550010032 = 2432473036349
BaseRepresentation
bin10011001000111000…
…000100010010110000
31222001011110200011200
4103020320010102300
5314041300310112
613235054011200
71325151126456
oct231070042260
958034420150
1020550010032
118795a43772
123b961a6b00
131c2661c866
14dcd3789d6
158041b1cdc
hex4c8e044b0

20550010032 has 60 divisors (see below), whose sum is σ = 58735154400. Its totient is φ = 6704256384.

The previous prime is 20550010009. The next prime is 20550010069. The reversal of 20550010032 is 23001005502.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20550009987 and 20550010014.

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, 1511407 + ... + 1524942.

It is an arithmetic number, because the mean of its divisors is an integer number (978919240).

Almost surely, 220550010032 is an apocalyptic number.

It is an amenable number.

20550010032 is an abundant number, since it is smaller than the sum of its proper divisors (38185144368).

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

20550010032 is a wasteful number, since it uses less digits than its factorization.

20550010032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3036410 (or 3036401 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

Adding to 20550010032 its reverse (23001005502), we get a palindrome (43551015534).

The spelling of 20550010032 in words is "twenty billion, five hundred fifty million, ten thousand, thirty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 47 48 72 94 141 144 188 282 376 423 564 752 846 1128 1692 2256 3384 6768 3036349 6072698 9109047 12145396 18218094 24290792 27327141 36436188 48581584 54654282 72872376 109308564 142708403 145744752 218617128 285416806 428125209 437234256 570833612 856250418 1141667224 1284375627 1712500836 2283334448 2568751254 3425001672 5137502508 6850003344 10275005016 20550010032