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20500544244 = 22356914932011
BaseRepresentation
bin10011000101111011…
…010111101011110100
31221220201101112212110
4103011323113223310
5313441114403434
613230125451020
71324010515365
oct230573275364
957821345773
1020500544244
118770028354
123b81710a70
131c192c066b
14dc697db6c
157eeb904e9
hex4c5ed7af4

20500544244 has 48 divisors (see below), whose sum is σ = 47974610880. Its totient is φ = 6813546240.

The previous prime is 20500544227. The next prime is 20500544261. The reversal of 20500544244 is 44244500502.

It is an interprime number because it is at equal distance from previous prime (20500544227) and next prime (20500544261).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10193199 + ... + 10195209.

It is an arithmetic number, because the mean of its divisors is an integer number (999471060).

Almost surely, 220500544244 is an apocalyptic number.

It is an amenable number.

20500544244 is an abundant number, since it is smaller than the sum of its proper divisors (27474066636).

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

20500544244 is a wasteful number, since it uses less digits than its factorization.

20500544244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4080 (or 4078 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 30.

The spelling of 20500544244 in words is "twenty billion, five hundred million, five hundred forty-four thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 12 569 1138 1493 1707 2011 2276 2986 3414 4022 4479 5972 6033 6828 8044 8958 12066 17916 24132 849517 1144259 1699034 2288518 2548551 3002423 3398068 3432777 4577036 5097102 6004846 6865554 9007269 10194204 12009692 13731108 18014538 36029076 1708378687 3416757374 5125136061 6833514748 10250272122 20500544244