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20032226884 = 226417812881
BaseRepresentation
bin10010101010000000…
…111000011001000100
31220201002011120020001
4102222000320121010
5312011222230014
613111440051044
71306263055555
oct225200703104
956632146201
1020032226884
11854a74060a
123a70903a84
131b7327c3b7
14d806b432c
157c39d4974
hex4aa038644

20032226884 has 12 divisors (see below), whose sum is σ = 35111091708. Its totient is φ = 10000486400.

The previous prime is 20032226849. The next prime is 20032226899. The reversal of 20032226884 is 48862223002.

It can be written as a sum of positive squares in 2 ways, for example, as 10718046784 + 9314180100 = 103528^2 + 96510^2 .

It is a super-2 number, since 2×200322268842 (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 3 ways as a sum of consecutive naturals, for example, 3903877 + ... + 3909004.

It is an arithmetic number, because the mean of its divisors is an integer number (2925924309).

Almost surely, 220032226884 is an apocalyptic number.

It is an amenable number.

20032226884 is a deficient number, since it is larger than the sum of its proper divisors (15078864824).

20032226884 is a wasteful number, since it uses less digits than its factorization.

20032226884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7813526 (or 7813524 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 37.

Adding to 20032226884 its reverse (48862223002), we get a palindrome (68894449886).

The spelling of 20032226884 in words is "twenty billion, thirty-two million, two hundred twenty-six thousand, eight hundred eighty-four".

Divisors: 1 2 4 641 1282 2564 7812881 15625762 31251524 5008056721 10016113442 20032226884