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20414221002 = 2327311520957
BaseRepresentation
bin10011000000110010…
…000100101011001010
31221200200221212122100
4103000302010223022
5313302020033002
613213403334230
71321612005210
oct230062045312
957620855570
1020414221002
11872632842a
123b58821376
131c04458116
14db930ccb0
157e72dd11c
hex4c0c84aca

20414221002 has 48 divisors (see below), whose sum is σ = 50712135552. Its totient is φ = 5813868960.

The previous prime is 20414220997. The next prime is 20414221013. The reversal of 20414221002 is 20012241402.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 221293 + ... + 299664.

It is an arithmetic number, because the mean of its divisors is an integer number (1056502824).

Almost surely, 220414221002 is an apocalyptic number.

20414221002 is an abundant number, since it is smaller than the sum of its proper divisors (30297914550).

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

20414221002 is a wasteful number, since it uses less digits than its factorization.

20414221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521283 (or 521280 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 20414221002 its reverse (20012241402), we get a palindrome (40426462404).

The spelling of 20414221002 in words is "twenty billion, four hundred fourteen million, two hundred twenty-one thousand, two".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 311 622 933 1866 2177 2799 4354 5598 6531 13062 19593 39186 520957 1041914 1562871 3125742 3646699 4688613 7293398 9377226 10940097 21880194 32820291 65640582 162017627 324035254 486052881 972105762 1134123389 1458158643 2268246778 2916317286 3402370167 6804740334 10207110501 20414221002