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20550332002 = 229910338923
BaseRepresentation
bin10011001000111001…
…010010111001100010
31222001012002000211111
4103020321102321202
5314041341111002
613235104533534
71325153640244
oct231071227142
958035060744
1020550332002
118796143662
123b963212aa
131c26703285
14dcd420094
158042273d7
hex4c8e52e62

20550332002 has 16 divisors (see below), whose sum is σ = 31892768640. Its totient is φ = 9919505232.

The previous prime is 20550331993. The next prime is 20550332017. The reversal of 20550332002 is 20023305502.

It is a super-2 number, since 2×205503320022 (a number of 21 digits) contains 22 as substring.

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, 508513 + ... + 547435.

It is an arithmetic number, because the mean of its divisors is an integer number (1993298040).

Almost surely, 220550332002 is an apocalyptic number.

20550332002 is a deficient number, since it is larger than the sum of its proper divisors (11342436638).

20550332002 is a wasteful number, since it uses less digits than its factorization.

20550332002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48057.

The product of its (nonzero) digits is 1800, while the sum is 22.

Adding to 20550332002 its reverse (20023305502), we get a palindrome (40573637504).

The spelling of 20550332002 in words is "twenty billion, five hundred fifty million, three hundred thirty-two thousand, two".

Divisors: 1 2 29 58 9103 18206 38923 77846 263987 527974 1128767 2257534 354316069 708632138 10275166001 20550332002